• 4H-Imidazo[4,5-c]pyridin-4-one,2-[[4-O-(aminocarbonyl)-2-deoxy-2-[[(3S)-3,6-diamino-1-oxohexyl]amino]-b-D-gulopyranosyl]amino]-1,3a,5,6,7,7a-hexahydro-5-methyl-,(3aS,7aR)- (9CI)
• 103867-06-7
• C20H36 N8 O7
• 0
• .

• 4-Quinolinecarboxylicacid, 2-[(2-methylphenyl)amino]-, hydrazide
• 134721-73-6
• C17H16 N4 O
• 292.3351
• .

• 4-Morpholineethanamine,N-(4,6-diphenyl-3-pyridazinyl)-
• 118270-30-7
• C22H24 N4 O
• 360.4522
• .

• 4H-1-Benzopyran-4-one,2,3-dimethyl-6-(4-morpholinylmethyl)-, hydrochloride (1:1)
• 100895-54-3
• C16H19 N O3 . Cl H
• 309.7879
• .

• 4-Benzoxazolecarboxamide,5-hydroxy-2-(5-hydroxy-2-methyl-4-pyrimidinyl)-7-methyl-
• 107021-65-8
• C14H12 N4 O4
• .

• 4(3H)-Quinazolinone,3-[[4-[(4-methyl-1-piperazinyl)carbonyl]phenyl]amino]-2-phenyl-
• 131604-12-1
• C26H25 N5 O2
• 439.509
• .

• 4H-1-Benzopyran-4-one,3-[(6-deoxy-4-O-b-D-glucopyranosyl-a-L-mannopyranosyl)oxy]-5,7-dihydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)-
• 119730-89-1
• C33H40 O15
• 0
• .

• 4-Penten-1-one,2-(1,1-dimethylethyl)-1-(1H-imidazol-1-yl)-
• 110577-48-5
• C12H18 N2 O
• 206.2841
• .

• 4H-1-Benzopyran-4-one,7-[(6-O-D-apio-b-D-furanosyl-b-D-glucopyranosyl)oxy]-5-hydroxy-3-(4-methoxyphenyl)-
• 15914-68-8
• C27H30 O14
• 578.5187
• .

• 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid,3,3-dimethyl-7-oxo-6-[[[[[(4-phenoxybenzoyl)hydrazono]acetyl]amino]phenylacetyl]amino]-,[2S-[2a,5a,6b(S*)]]- (9CI)
• 143729-85-5
• C31H29 N5 O7 S
• 615.6563
• .

• 4-Butyroxybenzenediazonium fluoroborate
• 132712-10-8
• C₁₀H₁₁BF₄N₂O₂
• 0
• .

• 4-Thiazolidinone,3-[[(2-hydroxyphenyl)methylene]amino]-5-(phenylmethylene)-2-thioxo-
• 1438-25-1
• C17H12 N2 O2 S2
• 340.4194
• .

• 4-Morpholineethanamine,N,N-diphenyl-, hydrochloride (1:1)
• 102043-61-8
• C18H22 N2 O . Cl H
• 318.841
• .

• 4H-1-Benzopyran-4-one,3-[5-(1,1-dimethyl-2-propen-1-yl)-4-hydroxy-2-methoxyphenyl]-2,3-dihydro-5-hydroxy-7-methoxy-,(-)-
• 125300-48-3
• C22H24 O6
• .

• Nafcillin
• 147-52-4
• C₂₁H₂₂N₂O₅S
• 205-690-9
• 414.4748
• .

• 4H-1-Benzopyran-4-one,3-[(6-deoxy-a-L-mannopyranosyl)oxy]-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)-
• 164178-23-8
• C27H30 O11
• .

• 4-Morpholineacetamide,N-(2-chlorophenyl)-, hydrochloride (1:1)
• 143743-97-9
• C12H15 Cl N2 O2 . Cl H
• 291.1736
• .

• 4-Octadecene-1,3-diol,2-(dimethylamino)-, 1-(dihydrogen phosphate), (2S,3R,4E)-
• 151729-53-2
• C20H42 N O5 P
• 0
• .

• 4H-1-Benzopyran-4-one,2-[(2R,3R)-3-(3,5-dihydroxyphenyl)-2,3-dihydro-6-hydroxy-2-(4-hydroxyphenyl)-5-benzofuranyl]-2,3-dihydro-5,7-dihydroxy-8-[(2E)-4-hydroxy-3-methyl-2-butenyl]-,(2S)- (9CI)
• 160433-42-1
• C34H30 O10
• .

• 4H-Dibenzo[de,g]quinolin-1-ol,5,6,6a,7-tetrahydro-2,3,9,10-tetramethoxy-6-methyl-8-[4-[[(1S)-1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-isoquinolinyl]methyl]phenoxy]-,(6aS)-
• 107019-96-5
• C40H46 N2 O8
• .

• 4-Pyridinecarboxylicacid, 2,2-bis(2-chloroethyl)hydrazide, hydrochloride (1:1)
• 102395-60-8
• C10H13 Cl2 N3 O . Cl H
• 298.5967
• .

• 4H-1-Benzopyran-4-one,5-hydroxy-6,7-dimethoxy-2-(2,3,4,5-tetramethoxyphenyl)-
• 144525-23-5
• C21H22 O9
• .

• 4H-Imidazol-4-one,5-[(4-bromophenyl)methylene]-3-[[(2-chlorophenyl)methylene]amino]-3,5-dihydro-2-phenyl-
• 126245-15-6
• C23H15 Br Cl N3 O
• 464.7417
• .

• 4-Pentenamide,N-(aminocarbonyl)-2-(2-propen-1-yl)-
• 1637-27-0
• C9H14 N2 O2
• 182.2197
• .

• 4(1H)-Quinazolinone,1-[2-(dimethylamino)ethyl]-2,3-dihydro-2-(2-pyridinyl)-
• 1159-89-3
• C17H20 N4 O
• 296.3669
• .

• 4H-1-Benzopyran-4-one,6,8-di-b-D-arabinopyranosyl-5,7-dihydroxy-2-(4-hydroxyphenyl)-(9CI)
• 107911-03-5
• C25H26 O13
• 534.4661
• .

• 4(3H)-Quinazolinone,3-[4,5-dihydro-2-methyl-5-oxo-4-(phenylmethylene)-1H-imidazol-1-yl]-2-methyl-
• 114496-20-7
• C20H16 N4 O2
• 344.3666
• .

• 4(1H)-Pyrimidinone,6-[(3,5-dimethylphenyl)seleno]-5-ethyl-2,3-dihydro-1-[(2-hydroxyethoxy)methyl]-2-thioxo-
• 172255-79-7
• C17H22 N2 O3 S Se
• 413.3932
• .

• 4-Thiazolidinone,3-[[bis(phenylmethyl)amino]methyl]-2-(phenylimino)-5-(3-phenyl-2-propen-1-ylidene)-
• 104123-92-4
• C33H29 N3 O S
• 0
• .

• 4(3H)-Pyrimidinone,2-butoxy-6-[(4-methoxyphenyl)methyl]-
• 143467-68-9
• C16H20 N2 O3
• 288.3416
• .

• 4,6(1H,5H)-Pyrimidinedione,1-(2,3-dichlorophenyl)dihydro-3-[4-(4-morpholinyl)phenyl]-5-(3-phenyl-2-propen-1-ylidene)-2-thioxo-
• 121608-27-3
• C29H23 Cl2 N3 O3 S
• 564.4822
• .

• 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-2,3-dihydro-5-hydroxy-6,7-dimethoxy-, (2S)-
• 115920-39-3
• C19H20 O7
• .

• 4H-Furo[3,4-b]pyran-4-aceticacid, 4a,5,7,7a-tetrahydro-5-hydroxy-3-(methoxycarbonyl)-,2-(3,4-dihydroxyphenyl)ethyl ester, (4S,4aR,7aS)-
• 125339-16-4
• C19H22 O9
• .

• 4-Quinolinamine,2-(2-thienyl)-
• 122664-10-2
• C13H10 N2 S
• 226.2969
• .

• 4-Benzofuranol,5,6-dibutyl-7-methoxy-
• 123332-43-4
• C17H24 O3
• 276.3707
• .

• 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-2,3-dihydro-5,7-dimethoxy-
• 17060-20-7
• C19H20 O6
• 344.3585
• .

• 4H-Pyrido[1,2-a]pyrimidine-3-carboxamide,N-heptyl-6-methyl-4-oxo-
• 125055-58-5
• C17H23 N3 O2
• 301.3834
• .

• 4,16-Dioxatricyclo[11.2.1.13,6]heptadec-6-ene-5,11,14-trione,17-hydroxy-1-methyl-9-(1-methylethenyl)-, (1R,3S,6Z,9R,13S,17R)-rel-(+)- (9CI)
• 100100-54-7
• C19H24 O6
• .

• 4-Oxazolecarboxamide,2-[4,4',4'',5,5',5''-hexahydro-4,4',4''-trimethyl-2''-(2-phenylethenyl)[2,4':2',4''-terthiazol]-4-yl]-N,5-dimethyl-(9CI)
• 144370-38-7
• C26H29 N5 O2 S3
• 0
• .

• 4H-1-Benzopyran-4-one,3-[[6-deoxy-2-O-(6-deoxy-a-L-mannopyranosyl)-a-L-mannopyranosyl]oxy]-7-[(2-O-b-D-glucopyranosyl-b-D-glucopyranosyl)oxy]-5-hydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-butenyl)-(9CI)
• 142735-71-5
• C45H60 O24
• 0
• .

• 4H-1-Benzopyran-4-one,3-[(6-deoxy-3-O-b-D-galactopyranosyl-a-L-mannopyranosyl)oxy]-7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-butenyl)-(9CI)
• 128988-53-4
• C39H50 O20
• 838.8023
• .

• 4H-Benzo[de]thiazolo[4,5-g]quinolin-9-amine,5,6,6a,7-tetrahydro-6-methyl-
• 106006-79-5
• C14H15 N3 S
• 0
• .

• 4-Pyridineacetic acid,4-(1,1-dimethylethyl)cyclohexyl ester, trans- (9CI)
• 129175-17-3
• C17H25 N O2
• 0
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-[4-[(3-methyl-2-buten-1-yl)oxy]phenyl]-, (2S)-
• 14117-54-5
• C20H20 O5
• 0
• .

• 4H-Imidazo[1,5-a][1,4]benzodiazepine-3-carboxylicacid, 6-phenyl-, ethyl ester
• 117047-24-2
• C20H17 N3 O2
• .

• 4-Heptenoic acid,7-[(1R,2R,3R)-3-hydroxy-2-[(1E,4R,5E,7E)-4-hydroxy-4-methyl-1,5,7-nonatrienyl]-5-oxocyclopentyl]-,methyl ester, (4Z)-rel- (9CI)
• 138836-13-2
• C23H34 O5
• .

• 4H-1-Benzopyran-4-one,3-[(O-b-D-glucopyranosyl-(1®3)-O-6-deoxy-a-L-mannopyranosyl-(1®6)-b-D-galactopyranosyl)oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-
• 134953-94-9
• C33H40 O20
• 0
• .

• 4H-Pyrido[1,2-a]pyrimidine-3-carboxamide,8-methyl-4-oxo-N-propyl-
• 125055-70-1
• C13H15 N3 O2
• 245.2771
• .

• 4H-Dibenzo[de,g]quinolin-9-ol,6-[2-(diethylamino)ethyl]-5,6,6a,7-tetrahydro-1,2,10-trimethoxy-,monohydrochloride, (S)- (9CI)
• 101832-29-5
• C25H34 N2 O4 . Cl H
• 463.0094
• .

• 4,6,8,10,12-Heptadecapentaenoicacid,15-hydroxy-16-[(2S,3S,5S,6R,8R,9R,10R)-5-hydroxy-8-[(1R,2S,3S,5E)-2-hydroxy-1,3,5-trimethyl-5-hepten-1-yl]-10-methoxy-3,9-dimethyl-1,7-dioxaspiro[5.5]undec-2-yl]-3-methoxy-14-methyl-,(3S,4Z,6E,8Z,10E,12Z,14S,15S,16S)-
• 150346-24-0
• C41H66 O9
• .