| (3-Iodo-(131I)benzyl)guanidine use 3-Iodobenzylguanidine | 
              | (4-(m-Chlorophenylcarbamoyloxy)-2-butynyl)trimethylammonium Chloride | 
              | 1 alpha,25-Dihydroxycholecalciferol use Calcitriol | 
              | 1 alpha,25-Dihydroxyvitamin D3 use Calcitriol | 
              | 1-(5-Isoquinolinesulfonyl)-2-Methylpiperazine | 
              | 1-Acylglycerol-3-Phosphate O-Acyltransferase | 
              | 1-Acylglycerophosphocholine Acyltransferase use 1-Acylglycerophosphocholine O-Acyltransferase | 
              | 1-Acylglycerophosphocholine O-Acyltransferase | 
              | 1-Alkyl-2-acetylglycerophosphocholine Esterase | 
              | 1-Aminocyclopentanecarboxylic Acid use Cycloleucine | 
              | 1-Aminonaphthalene use 1-Naphthylamine | 
              | 1-Butanol | 
              | 1-Carboxyglutamic Acid | 
              | 1-Deoxymannojirimycin use 1-Deoxynojirimycin | 
              | 1-Deoxynojirimycin | 
              | 1-Heptanol use Heptanol | 
              | 1-Methyl-3-isobutylxanthine | 
              | 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine | 
              | 1-Methyl-4-phenylpyridinium | 
              | 1-Naphthylamine | 
              | 1-Naphthylisothiocyanate | 
              | 1-Octanol | 
              | 1-Oxacephalosporin use Moxalactam | 
              | 1-Phosphatidylinositol 3-Kinase use Phosphatidylinositol 3-Kinase | 
              | 1-Phosphatidylinositol 4-Kinase | 
              | 1-Phosphatidylinositol Phosphodiesterase use Phosphatidylinositol Diacylglycerol-Lyase | 
              | 1-Propanol | 
              | 1-Pyrroline-5-Carboxylate Dehydrogenase | 
              | 1-Sar-8-Ala Angiotensin II use Saralasin | 
              | 1-Sar-8-Ile Angiotensin II use 1-Sarcosine-8-Isoleucine Angiotensin II | 
              | 1-Sarcosine-8-Alanine Angiotensin II use Saralasin | 
              | 1-Sarcosine-8-Isoleucine Angiotensin II | 
              | 1,1,1-trichloro-2,2-di(4-chlorophenyl)ethane use DDT | 
              | 1,2-Benzopyrones use Coumarins | 
              | 1,2-Benzoquinones use Benzoquinones | 
              | 1,2-Cyclic-Inositol-Phosphate Phosphodiesterase use Glycerophosphoinositol Inositolphosphodiesterase | 
              | 1,2-Dibromoethane use Ethylene Dibromide | 
              | 1,2-Dihydroxybenzene-3,5-Disulfonic Acid Disodium Salt | 
              | 1,2-Dimethylhydrazine | 
              | 1,2-Dipalmitoylphosphatidylcholine | 
              | 1,2-Propanediol use Propylene Glycol | 
              | 1,25-Dihydroxycholecalciferol use Calcitriol | 
              | 1,25-Dihydroxyvitamin D3 use Calcitriol | 
              | 1,3-Dimethyl-5-aminoadamantane use Memantine | 
              | 1,3-Oxazolidin-2-one use Oxazolidinones | 
              | 1,4,5-InsP3 use Inositol 1,4,5-Trisphosphate | 
              | 1,4-alpha-Glucan Branching Enzyme | 
              | 1,4-alpha-Glucosidase, Exo use Glucan 1,4-alpha-Glucosidase | 
              | 1,4-Benzopyrones use Chromones | 
              | 1,4-Benzoquinones use Benzoquinones | 
              | 1,4-Butanolide use 4-Butyrolactone | 
              | 1,5-Deoxy-1,5-imino-D-mannitol use 1-Deoxynojirimycin | 
              | 1,5-Diphenylcarbazide use Diphenylcarbazide | 
              | 1,8-Dihydroxy-9-anthrone use Anthralin | 
              | 2'-Deoxycoformycin use Pentostatin | 
              | 2',3'-Cyclic-Nucleotide Phosphodiesterases | 
              | 2',3'-Didehydro-3'-deoxythymidine use Stavudine | 
              | 2',3'-Dideoxy-3'-thiacytidine use Lamivudine | 
              | 2',3'-Dideoxyadenosine use Dideoxyadenosine | 
              | 2',3'-Dideoxycytidine use Zalcitabine | 
              | 2',3'-Dideoxyinosine use Didanosine | 
              | 2',3'-Dideoxynucleosides use Dideoxynucleosides | 
              | 2',5'-Oligoadenylate Polymerase use 2',5'-Oligoadenylate Synthetase | 
              | 2',5'-Oligoadenylate Synthetase | 
              | 2-5A Synthetase use 2'.5'-Oligoadenylate Synthetase | 
              | 2-Acetamidofluorene use 2-Acetylaminofluorene | 
              | 2-Acetohydroxy-3-Ketoacid Isomeroreductase use 2-Acetolactate Mutase | 
              | 2-Acetolactate Mutase | 
              | 2-Acetylaminofluorene | 
              | 2-Alanyl-Leucine Enkephalin use Enkephalin. Leucine-2-Alanine | 
              | 2-amino-4-mercaptobutyric acid use Homocysteine | 
              | 2-Amino-5-phosphonopentanoic Acid use 2-Amino-5-phosphonovalerate | 
              | 2-Amino-5-phosphonovalerate | 
              | 2-Amino-5-phosphonovaleric Acid use 2-Amino-5-phosphonovalerate | 
              | 2-Amino-6-(1,2,3-trihydroxypropyl)-4(3H)-pteridinone use Neopterin | 
              | 2-Aminoadipate Transaminase | 
              | 2-Aminoadipic Acid | 
              | 2-Aminoethanol use Ethanolamine | 
              | 2-Aminoethylisothiuronium Bromide use beta-Aminoethyl Isothiourea | 
              | 2-Aminoethylphosphonic Acid use Aminoethylphosphonic Acid | 
              | 2-Aminonaphthalene use 2-Naphthylamine | 
              | 2-Aminopurine | 
              | 2-Bromoergocryptine use Bromocriptine | 
              | 2-Butenedioic Acid use Fumaricum Acidum | 
              | 2-Butenoic Acids use Crotonic Acids | 
              | 2-Chlorethanol use Ethylene Chlorohydrin | 
              | 2-Chloro-2'-deoxyadenosine use Cladribine | 
              | 2-Chloroacetophenone use omega-Chloroacetophenone | 
              | 2-Chloroadenosine | 
              | 2-Chlorodeoxyadenosine use Cladribine | 
              | 2-Chloroethyl Alcohol use Ethylene Chlorohydrin | 
              | 2-Dehydro-3-Deoxyphosphoheptonate Aldolase use 3-Deoxy-7-Phosphoheptulonate Synthase | 
              | 2-Fluoro-2-deoxy-D-glucose use Fluorodeoxyglucose F18 | 
              | 2-Fluoro-2-deoxyglucose use Fluorodeoxyglucose F18 | 
              | 2-Hexanone use Methyl n-Butyl Ketone | 
              | 2-Hydroxy-5-nitrobenzyl Bromide | 
              | 2-Hydroxyphenethylamine | 
              | 2-Isopropylmalate Synthase | 
              | 2-Mercaptoethanesulfonate use Mesna | 
              | 2-Methyl-4-chlorophenoxyacetic Acid | 
              | 2-Naphthylamine | 
              | 2-Nicotinamidoethyl Nitrate use Nicorandil | 
              | 2-Oxo Acid Carboxy-Lyase use Pyruvate Decarboxylase | 
              | 2-Oxoisovalerate Dehydrogenase (Acylating) | 
              | 2-Oxoisovalerate Dehydrogenase (Lipoamide) use 3-Methyl-2-Oxobutanoate Dehydrogenase (Lipoamide) | 
              | 2-PAM Compounds use Pralidoxime Compounds | 
              | 2-Phenylethanolamine use 2-Hydroxyphenethylamine | 
              | 2-Propanol | 
              | 2-Pyridinylmethylsulfinylbenzimidazoles | 
              | 2H-Benzo(a)quinolizin-2-ol, 2-Ethyl-1,3,4,6,7,11b-hexahydro-3-isobutyl-9,10-dimethoxy- | 
              | 2S Albumins, Plant | 
              | 2,2'-Dipyridyl | 
              | 2,2-Bipyridine use 2,2'-Dipyridyl | 
              | 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine | 
              | 2,3-Bisphosphoglycerate use 2,3-Diphosphoglycerate | 
              | 2,3-Butanedione use Diacetyl | 
              | 2,3-Diketogulonic Acid | 
              | 2,3-Diphosphoglycerate | 
              | 2,3-Diphosphoglyceric Acid use 2,3-Diphosphoglycerate | 
              | 2,3-DPG use 2,3-Diphosphoglycerate | 
              | 2,4,5-Trichlorophenoxyacetic Acid | 
              | 2,4,5-T use 2,4,5-Trichlorophenoxyacetic Acid | 
              | 2,4,6-Trinitro-1-chlorobenzene use Picryl Chloride | 
              | 2,4-Dichlorophenoxyacetic Acid | 
              | 2,4-Dinitrophenol | 
              | 2,4-DNP use 2,4-Dinitrophenol | 
              | 2,4-D use 2,4-Dichlorophenoxyacetic Acid | 
              | 2,5-Dihydroxybenzoic Acids use Gentisates | 
              | 2,5-Dimethoxy-4-Methylamphetamine | 
              | 2,5-Furandiones use Maleic Anhydrides | 
              | 2,6-Dichloroindophenol | 
              | 2,6-Dichlorophenolindophenol use 2,6-Dichloroindophenol | 
              | 3 beta-Hydroxy-delta-5-Steroid Dehydrogenase use Progesterone Reductase | 
              | 3' End Processing, RNA use RNA 3' End Processing | 
              | 3' Flanking Region | 
              | 3' Untranslated Regions | 
              | 3',5'-Cyclic AMP 5'-Nucleotidohydrolase use 3',5'-Cyclic-AMP Phosphodiesterases | 
              | 3',5'-Cyclic GMP 5'-Nucleotidohydrolase use 3',5'-Cyclic-GMP Phosphodiesterases | 
              | 3',5'-Cyclic-AMP Phosphodiesterases | 
              | 3',5'-Cyclic-GMP Phosphodiesterases | 
              | 3',5'-Cyclic-Nucleotide Phosphodiesterase use 3',5'-Cyclic-AMP Phosphodiesterases | 
              | 3'UTR use 3' Untranslated Regions | 
              | 3-alpha-Hydroxysteroid Dehydrogenase (B-Specific) | 
              | 3-Aminopropionic Acid use beta-Alanine | 
              | 3-Aminopropylene use Allylamine | 
              | 3-beta-Hydroxysteroid Dehydrogenase use 3-Hydroxysteroid Dehydrogenases | 
              | 3-Deazauridine | 
              | 3-Deoxy-7-Phosphoheptulonate Synthase | 
              | 3-Deoxyarabinoheptulosonate-7-Phosphate Synthetase use 3-Deoxy-7-Phosphoheptulonate Synthase | 
              | 3-Hydroxy-3-methylglutaric Acid use Meglutol | 
              | 3-Hydroxyacyl CoA Dehydrogenases | 
              | 3-Hydroxyacyl CoA Hydrolyases use Enoyl-CoA Hydratase | 
              | 3-Hydroxyacyl Dehydratases use Enoyl-CoA Hydratase | 
              | 3-Hydroxyanthranilate 3,4-Dioxygenase | 
              | 3-Hydroxyanthranilic Acid | 
              | 3-Hydroxybutyrate use 3-Hydroxybutyric Acid | 
              | 3-Hydroxybutyric Acid | 
              | 3-Hydroxysteroid Dehydrogenases | 
              | 3-Iodobenzylguanidine | 
              | 3-Isobutyl-1-methylxanthine use 1-Methyl-3-isobutylxanthine | 
              | 3-Isoleucyl Vasopressin use Vasotocin | 
              | 3-Isopropylmalate Dehydrogenase | 
              | 3-Keto-5-alpha-Steroid delta-4-Dehydrogenase use 3-Oxo-5-alpha-Steroid 4-Dehydrogenase | 
              | 3-Ketoacyl CoA Thiolase use Acetyl-CoA C-Acyltransferase | 
              | 3-Ketosteroid Isomerases use Steroid Isomerases | 
              | 3-Ketothiolase use Acetyl-CoA C-Acyltransferase | 
              | 3-Mercaptopropanoic Acid use 3-Mercaptopropionic Acid | 
              | 3-Mercaptopropionic Acid | 
              | 3-Methoxy-4-hydroxyphenylethanol | 
              | 3-Methyl-2-Oxobutanoate Dehydrogenase (Lipoamide) | 
              | 3-methylglutaconicaciduria type 2 use Barth Syndrome | 
              | 3-methylglutaconicaciduria type II use Barth Syndrome | 
              | 3-Methylindole use Skatole | 
              | 3-O-Methyl-D-Glucose use 3-O-Methylglucose | 
              | 3-O-Methylglucose | 
              | 3-Oxo-5-alpha-Steroid 4-Dehydrogenase | 
              | 3-Oxoacyl-(Acyl-Carrier-Protein) Synthase | 
              | 3-Oxosteroid Isomerases use Steroid Isomerases | 
              | 3-Phosphoglyceraldehyde use Glyceraldehyde 3-Phosphate | 
              | 3-Phosphoshikimate 1-Carboxyvinyltransferase | 
              | 3-Pyridinecarboxylic acid, 1,4-dihydro-2,6-dimethyl-5-nitro-4-(2-(trifluoromethyl)phenyl)-, Methyl ester | 
              | 3-Sulfoalanine use Cysteic Acid | 
              | 3T3 Cells | 
              | 3T3-L1 Cells | 
              | 3TC use Lamivudine | 
              | 3,3',5'-Triiodothyronine use Triiodothyronine, Reverse | 
              | 3,3'-Diaminobenzidine | 
              | 3,3'-Dichlorobenzidine | 
              | 3,4-Benzopyrene use Benzo(a)pyrene | 
              | 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer | 
              | 3,4-Dihydroxyphenylacetic Acid | 
              | 3,4-Dihydroxyphenylserine use Droxidopa | 
              | 3,4-Methylenedioxyamphetamine | 
              | 4 Hydroxyphenylpyruvate Dioxygenase Deficiency Disease use Tyrosinemias | 
              | 4'-Epiadriamycin use Epirubicin | 
              | 4'-Epidoxorubicin use Epirubicin | 
              | 4-(3-Butoxy-4-methoxybenzyl)-2-imidazolidinone | 
              | 4-1BB Ligand | 
              | 4-1BB Receptors use Antigens. CD137 | 
              | 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid | 
              | 4-Aminobenzoic Acid | 
              | 4-Aminobutyrate Transaminase | 
              | 4-Aminobutyric Acid use gamma-Aminobutyric Acid | 
              | 4-Aminohippuric Acid use p-Aminohippuric Acid | 
              | 4-Aminopyridine | 
              | 4-Aminosalicylic Acid use Aminosalicylic Acid | 
              | 4-Butyrolactone | 
              | 4-Chloro-7-nitrobenzofurazan | 
              | 4-Chloromercuribenzenesulfonate | 
              | 4-Demethoxydaunorubicin use Idarubicin | 
              | 4-Homosulfanilamide use Mafenide | 
              | 4-HPR use Fenretinide | 
              | 4-Hydroxyaminoquinoline-1-oxide | 
              | 4-Hydroxyaminoquinoline-N-oxide use 4-Hydroxyaminoquinoline-1-oxide | 
              | 4-Hydroxybenzoate-3-Monooxygenase | 
              | 4-Hydroxybenzoic Acids use Parabens | 
              | 4-Hydroxybutyrate Sodium use Sodium Oxybate | 
              | 4-Hydroxybutyric Acid Lactone use 4-Butyrolactone | 
              | 4-Hydroxycoumarins | 
              | 4-Hydroxyphenylpyruvate Dioxygenase | 
              | 4-Nitrophenol-2-Hydroxylase use Cytochrome P-450 CYP2E1 | 
              | 4-Nitrophenylphosphatase | 
              | 4-Nitroquinoline-1-oxide | 
              | 4-Nitroquinoline-N-oxide use 4-Nitroquinoline-1-oxide | 
              | 4-Quinolones | 
              | 4,4'-Diisothiocyanostilbene-2,2'-Disulfonic Acid | 
              | 4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amine | 
              | 5 alpha-Dihydrotestosterone use Dihydrotestosterone | 
              | 5' Flanking Region | 
              | 5' Untranslated Regions | 
              | 5'-AMP Nucleotidase use 5'-Nucleotidase | 
              | 5'-Guanylic Acid | 
              | 5'-N-Ethylcarboxamidoadenosine use Adenosine-5'-(N-ethylcarboxamide) | 
              | 5'-Nucleotidase | 
              | 5'UTR use 5' Untranslated Regions | 
              | 5-alpha Reductase Inhibitors | 
              | 5-alpha-Dihydroprogesterone | 
              | 5-alpha-Reductase, Testosterone use 3-Oxo-5-alpha-Steroid 4-Dehydrogenase | 
              | 5-Amino-3-((5-nitro-2-furyl)vinyl)-1,2,4-oxadiazole | 
              | 5-Aminolevulinate Synthetase | 
              | 5-Aminosalicylate use Mesalamine | 
              | 5-Fluorocytosine use Flucytosine | 
              | 5-HT Agonists use Serotonin Receptor Agonists | 
              | 5-HT Antagonists use Serotonin Antagonists | 
              | 5-HT Receptors use Receptors. Serotonin | 
              | 5-HT Uptake Inhibitors use Serotonin Uptake Inhibitors | 
              | 5-HT1 Agonists use Serotonin 5-HT1 Receptor Agonists | 
              | 5-HTP use 5-Hydroxytryptophan | 
              | 5-HT use Serotonin | 
              | 5-Hydroxytryptamine Agonists use Serotonin Receptor Agonists | 
              | 5-Hydroxytryptamine Antagonists use Serotonin Antagonists | 
              | 5-Hydroxytryptamine Receptors use Receptors. Serotonin | 
              | 5-Hydroxytryptamine Uptake Inhibitors use Serotonin Uptake Inhibitors | 
              | 5-Hydroxytryptamine use Serotonin | 
              | 5-Hydroxytryptophan | 
              | 5-Iodo-2'-deoxyuridine use Idoxuridine | 
              | 5-Leucine-2-Alanine Enkephalin use Enkephalin. Leucine-2-Alanine | 
              | 5-Lipoxygenase-Activating Protein Inhibitors | 
              | 5-Lipoxygenase-Activating Proteins | 
              | 5-Lipoxygenase use Arachidonate 5-Lipoxygenase | 
              | 5-Methoxytryptamine | 
              | 5-Methylcytosine | 
              | 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase | 
              | 5-Oxoproline use Pyrrolidonecarboxylic Acid | 
              | 5-Oxoprolyl-Peptidase use Pyroglutamyl-Peptidase I | 
              | 5p Deletion Syndrome use Cri-du-Chat Syndrome | 
              | 5S Ribosomal RNA use RNA. Ribosomal, 5S | 
              | 5,10-Methylenetetrahydrofolate Reductase (FADH2) | 
              | 5,10-Methylenetetrahydrofolate-Reductase (NADH) use Methylenetetrahydrofolate Dehydrogenase (NAD+) | 
              | 5,12-diHETE use Leukotriene B4 | 
              | 5,12-HETE use Leukotriene B4 | 
              | 5,5'-Dithiobis(2-nitrobenzoic Acid) use Dithionitrobenzoic Acid | 
              | 5,6-Benzoflavone use beta-Naphthoflavone | 
              | 5,6-Dihydroxytryptamine | 
              | 5,7-Dihydroxytryptamine | 
              | 5,8,11,14,17-Eicosapentaenoic Acid use Eicosapentaenoic Acid | 
              | 5,8,11,14-Eicosatetraynoic Acid | 
              | 5.8S Ribosomal RNA use RNA. Ribosomal, 5.8S | 
              | 6-Aminocaproic Acid | 
              | 6-Aminohexanoic Acid use 6-Aminocaproic Acid | 
              | 6-Aminonicotinamide | 
              | 6-Cyano-7-nitroquinoxaline-2,3-dione | 
              | 6-Hydroxydopamine use Oxidopamine | 
              | 6-Iodomethylnorcholesterol use Adosterol | 
              | 6-Keto-PGF1 alpha use 6-Ketoprostaglandin F1 alpha | 
              | 6-Ketoprostaglandin F1 alpha | 
              | 6-Mercaptopurine Riboside use Thioinosine | 
              | 6-Mercaptopurine | 
              | 6-Methylmercaptopurine Riboside use Methylthioinosine | 
              | 6-OHDA use Oxidopamine | 
              | 6-Oxo-PGF1 alpha use 6-Ketoprostaglandin F1 alpha | 
              | 6-Oxoprostaglandin F1 alpha use 6-Ketoprostaglandin F1 alpha | 
              | 6-Phosphofructo-2-kinase-fructose-2,6-bisphosphatase use Phosphofructokinase-2 | 
              | 6-Phosphofructo-2-kinase use Phosphofructokinase-2 | 
              | 6-Phosphofructokinase, Liver Type use Phosphofructokinase-1, Liver Type | 
              | 6-Phosphofructokinase, Muscle Type use Phosphofructokinase-1, Muscle Type | 
              | 6-Phosphofructokinase, Platelet Type use Phosphofructokinase-1, Type C | 
              | 6-Phosphofructokinase use Phosphofructokinase-1 | 
              | 6-Phytase | 
              | 6-Thioguanine use Thioguanine | 
              | 7-Alkoxycoumarin O-Dealkylase | 
              | 7-Deazaadenosine use Tubercidin | 
              | 7-Ethoxycoumarin O-Dealkylase use 7-Alkoxycoumarin O-Dealkylase | 
              | 7-Ethoxycoumarin O-Deethylase use 7-Alkoxycoumarin O-Dealkylase | 
              | 7-Hydroxycoumarins use Umbelliferones | 
              | 7,12-Dimethylbenzanthracene use 9,10-Dimethyl-1,2-benzanthracene | 
              | 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide | 
              | 7,8-Dihydroxy-9,10-Epoxy-7,8,9,10-Tetrahydrobenzo(a)pyrene use 7,8-Dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide | 
              | 8-Bromo Cyclic Adenosine Monophosphate | 
              | 8-Bromo-cAMP use 8-Bromo Cyclic Adenosine Monophosphate | 
              | 8-Hydroxy-2-(di-n-propylamino)tetralin | 
              | 8-Methoxypsoralen use Methoxsalen | 
              | 8-OH-DPAT use 8-Hydroxy-2-(di-n-propylamino)tetralin | 
              | 8-Quinolinol use Oxyquinoline | 
              | 8,11,14-Eicosatrienoic Acid | 
              | 9-Aminoacridine use Aminacrine | 
              | 9-Fluorocortisol use Fludrocortisone | 
              | 9-Octadecenoic Acid use Oleic Acid | 
              | 9,10-Dimethyl-1,2-benzanthracene | 
              | 9,12-Octadecadienoic Acid use Linoleic Acid | 
              | 11-beta-Hydroxysteroid Dehydrogenase Type 1 | 
              | 11-beta-Hydroxysteroid Dehydrogenase Type 2 | 
              | 11-beta-Hydroxysteroid Dehydrogenases | 
              | 11-Dehydroprostaglandin F2alpha use Prostaglandin D2 | 
              | 11-Deoxycortisol use Cortodoxone | 
              | 11-Desoxycortisone use Cortodoxone | 
              | 11-Hydroxycorticosteroids | 
              | 11q Deletion Disorder use Jacobsen Distal 11q Deletion Syndrome | 
              | 12-alpha-Hydroxylase use Steroid 12-alpha-Hydroxylase | 
              | 12-HETE use 12-Hydroxy-5.8,10,14-eicosatetraenoic Acid | 
              | 12-Hydroxy-5,8,10,14-eicosatetraenoic Acid | 
              | 12-Lipoxygenase use Arachidonate 12-Lipoxygenase | 
              | 12-Methoxyibogamine use Ibogaine | 
              | 12-R-HETE use 12-Hydroxy-5.8,10,14-eicosatetraenoic Acid | 
              | 12-S-HETE use 12-Hydroxy-5.8,10,14-eicosatetraenoic Acid | 
              | 12-S-Hydroxyeicosatetraenoic Acid use 12-Hydroxy-5.8,10,14-eicosatetraenoic Acid | 
              | 13-cis-Acitretin use Acitretin | 
              | 13-cis-Retinoic Acid use Isotretinoin | 
              | 14-3-3 Proteins | 
              | 14-alpha Demethylase Inhibitors | 
              | 14C use Carbon 14 | 
              | 15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic Acid | 
              | 15-Lipoxygenase use Arachidonate 15-Lipoxygenase | 
              | 15-Methylprostaglandin E2 use Arbaprostil | 
              | 15-Methylprostaglandin F2alpha use Carboprost | 
              | 15-Oxoprostaglandin 13-Reductase | 
              | 15th Century History use History. 15th Century | 
              | 16S Ribosomal RNA use RNA. Ribosomal, 16S | 
              | 16th Century History use History. 16th Century | 
              | 16,16-Dimethylprostaglandin E2 | 
              | 17 alpha-Hydroxylase use Steroid 17-alpha-Hydroxylase | 
              | 17 beta-Estradiol use Estradiol | 
              | 17 beta-Hydroxysteroid Dehydrogenases use 17-Hydroxysteroid Dehydrogenases | 
              | 17-alpha-Hydroxypregnenolone | 
              | 17-alpha-Hydroxyprogesterone | 
              | 17-Hydroxycorticosteroids | 
              | 17-Hydroxyprogesterone use 17-alpha-Hydroxyprogesterone | 
              | 17-Hydroxysteroid Dehydrogenases | 
              | 17-Ketosteroids | 
              | 17-Oxosteroids use 17-Ketosteroids | 
              | 17th Century History use History. 17th Century | 
              | 17,20-Lyase use Steroid 17-alpha-Hydroxylase | 
              | 17,21-Dimethyl-19-nor-4,9-pregnadiene-3,20-dione use Promegestone | 
              | 18-Hydrocorticosterone use 18-Hydroxycorticosterone | 
              | 18-Hydroxycorticosterone | 
              | 18-Hydroxydesoxycorticosterone | 
              | 18F Fluorodeoxyglucose use Fluorodeoxyglucose F18 | 
              | 18FDG use Fluorodeoxyglucose F18 | 
              | 18S Ribosomal RNA use RNA. Ribosomal, 18S | 
              | 18th Century History use History. 18th Century | 
              | 19-Iodocholesterol | 
              | 19-Norandrostanes use Estranes | 
              | 19-Norandrostenes use Estrenes | 
              | 19-Nortestosterone use Nandrolone | 
              | 19th Century History use History. 19th Century | 
              | 20-alpha-Dihydroprogesterone | 
              | 20-alpha-Hydroxysteroid Dehydrogenase | 
              | 20-beta-Hydroxysteroid Dehydrogenase use Cortisone Reductase | 
              | 20-Hydroxyecdysone use Ecdysterone | 
              | 20-Hydroxysteroid Dehydrogenases | 
              | 20th Century History of Homeopathy use History of Homeopathy. 20th Century | 
              | 20th Century History use History. 20th Century | 
              | 20,25-Diazacholesterol use Azacosterol | 
              | 21-Hydroxyprogesterone use Desoxycorticosterone | 
              | 21st Century History use History. 21st Century | 
              | 22q11 Deletion Syndrome | 
              | 23S Ribosomal RNA use RNA. Ribosomal, 23S | 
              | 24-Dehydrocholesterol use Desmosterol | 
              | 24,25-Dihydroxycholecalciferol use 24,25-Dihydroxyvitamin D 3 | 
              | 24,25-Dihydroxyvitamin D 3 | 
              | 25-Hydroxycholecalciferol 1-Hydroxylase use 25-Hydroxyvitamin D3 1-alpha-Hydroxylase | 
              | 25-Hydroxycholecalciferol use Calcifediol | 
              | 25-Hydroxyergocalciferol use 25-Hydroxyvitamin D 2 | 
              | 25-Hydroxyvitamin D 2 | 
              | 25-Hydroxyvitamin D 3 use Calcifediol | 
              | 25-Hydroxyvitamin D3 1-alpha-Hydroxylase | 
              | 28S Ribosomal RNA use RNA. Ribosomal, 28S | 
              | 46, XX Disorders of Sex Development | 
              | 46, XX Testicular Disorders of Sex Development | 
              | 46, XY Disorders of Sex Development | 
              | 99mTc-Diethyl IDA use Technetium Tc 99m Diethyl-iminodiacetic Acid | 
              | 99mTc-Dimercaptosuccinic Acid use Technetium Tc 99m Dimercaptosuccinic Acid | 
              | 99mTc-DMSA use Technetium Tc 99m Dimercaptosuccinic Acid | 
              | 99mTc-Hexamibi use Technetium Tc 99m Sestamibi | 
              | 99mTc-Lidofenin use Technetium Tc 99m Lidofenin | 
              | 99mTc-MAG3 use Technetium Tc 99m Mertiatide | 
              | 99mTc-Sestamibi use Technetium Tc 99m Sestamibi | 
              | 99Tc-Succimer use Technetium Tc 99m Dimercaptosuccinic Acid |