• 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 3,3-dimethyl-6-[[(4-methylphenoxy)acetyl]amino]-7-oxo-, monopotassiumsalt, [2S-(2a,5a,6b)]- (9CI)
• 15545-38-7
• C17H20 N2 O5 S . K
• 402.5065
• .

• 4H-1-Benzopyran-4-one,3-(2,4-dihydroxyphenyl)-2,3-dihydro-5-hydroxy-7-methoxy-6-methyl-8-(3-methyl-2-buten-1-yl)-,(3R)-
• 173294-80-9
• C22H24 O6
• .

• 4-Thiazolidinone,3-[3-(2-chloro-13-phenyl-7H-dibenzo[d,h][1,3,6]triazonin-6-yl)propyl]-2-[(4-ethoxyphenyl)imino]-
• 103687-08-7
• C34H30 Cl N5 O2 S
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-7-hydroxy-3-[2-hydroxy-4-methoxy-5-(3-methyl-2-buten-1-yl)phenyl]-,(-)-
• 163136-23-0
• C21H22 O5
• .

• 4H-1-Benzopyran-4-one,2-[3-(b-D-glucopyranosyloxy)-2-hydroxyphenyl]-5-hydroxy-7,8-dimethoxy-
• 113963-38-5
• C23H24 O12
• .

• 4H-Pyrrolo[3,4-d]pyrimidin-4-one,3,5,6,7-tetrahydro-, hydrochloride (1:1)
• 15199-08-3
• C6H7 N3 O . Cl H
• 137.1393
• .

• 4H-1-Benzopyran-4-one,5,7-dihydroxy-3-(4-hydroxy-3,5-dimethoxyphenyl)-
• 137217-90-4
• C17H14 O7
• .

• 4-Pyridinamine,N-hydroxy-3-methyl-, 1-oxide
• 14070-03-2
• C6H8 N2 O2
• 140.1399
• .

• 4H-1-Benzopyran-4-one,7-[[6-O-(4-carboxy-3-hydroxy-3-methyl-1-oxobutyl)-b-D-glucopyranosyl]oxy]-5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-6,8-dimethoxy-,6'-ester with 2-[4-(b-D-glucopyranosyloxy)-3-methoxyphenyl]-5,7-dihydroxy-6,8-dimethoxy-4H-1-benzopyran-4-one(9CI)
• 101339-36-0
• C54H58 O29
• .

• 4H-Anthra[1,2-b]pyran-4,7,12-trione,11-hydroxy-5-(hydroxymethyl)-2-[(1R)-1-methylpropyl]-
• 182232-96-8
• C22H18 O6
• .

• 4H-Furo[3,2-c][1]benzopyran-4-one,3-[[(2S)-2,5-dihydro-4-methyl-5-oxo-2-furanyl]methyl]-2,3-dihydro-2,3,9-trimethyl-,(2R,3R)- (9CI)
• 152839-55-9
• C20H20 O5
• .

• 4H-Pyran-4-one,tetrahydro-5-hydroxy-2-(hydroxymethyl)-, (2S-trans)- (9CI)
• 142450-10-0
• C6H10 O4
• 146.1412
• .

• 4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-8-b-D-glucopyranosyl-3,7-dihydroxy-
• 108335-27-9
• C21H20 O11
• 448.3769
• .

• 4,6(1H,5H)-Pyrimidinedione,5-[[(3-chlorophenyl)amino]methyl]dihydro-1-(2-methylphenyl)-3-(4-phenyl-2-thiazolyl)-2-thioxo-
• 139356-76-6
• C27H21 Cl N4 O2 S2
• 0
• .

• 4(3H)-Quinazolinone,2-(dichloromethyl)-3-methyl-
• 1772-90-3
• C10H8 Cl2 N2 O
• 243.0893
• .

• 4-Piperidinol,4-(4-chlorophenyl)-1-(2-phenylcyclopropyl)-, hydrochloride, trans- (9CI)
• 102071-49-8
• C20H22 Cl N O . Cl H
• 364.3087
• .

• 4-Phenanthrenol,1-[2-(dimethylamino)ethyl]-3,6,7-trimethoxy-
• 100009-99-2
• C21H25 N O4
• 355.4275
• .

• 4-Quinolinecarboxylicacid, 2-(4-fluorophenyl)-6-methoxy-
• 18060-41-8
• C17H12 F N O3
• 297.2805
• .

• 4(1H)-Pyrimidinone,6-(fluoromethyl)-2,3-dihydro-2-thioxo-
• 1598-62-5
• C5H5 F N2 O S
• 160.1694
• .

• 4,7-Methano-1H-indene,3a,4,5,6,7,7a-hexahydro-6-methoxy-3,6-dimethyl-
• 102242-81-9
• C13H20 O
• 208.3398
• .

• 4H-1-Benzopyran-4-one,5-(b-D-glucopyranosyloxy)-7,8-dimethoxy-2-phenyl-
• 113963-39-6
• C23H24 O10
• .

• 4-Thiazolidine-1-35S-carboxylicacid, 2-thioxo-, (R)- (9CI)
• 163086-48-4
• C4H5 N O2 S2
• .

• 4(3H)-Pyrimidinone,5-fluoro-6-hydroxy-2-methyl-
• 1598-63-6
• C₅H₅FN₂O₂
• 144.1038032
• .

• 4H-1-Benzopyran-4-one,7-[(2-O-acetyl-6-deoxy-a-L-mannopyranosyl)oxy]-3-[(4-O-acetyl-6-deoxy-a-L-mannopyranosyl)oxy]-2-(3,4-dihydroxyphenyl)-5-hydroxy-6-methoxy-
• 160472-99-1
• C32H36 O18
• .

• 4,7-Methano-1H-indene,2,4,5,6,7,8,8-heptachloro-2,3,3a,4,7,7a-hexahydro-, labeled with carbon-14, (2a,3aa,4b,7b,7aa)- (9CI)
• 19253-34-0
• C10H7 Cl7
• .

• 4-Oxazolidinepropanoicacid, 2,5-dioxo-, methyl ester, (4S)-
• 1663-47-4
• C7H9 N O5
• 216-770-8
• 187.15006
• .

• 4-Thiazolidinone,3,3'-(1,2-ethanediyl)bis[2-(2-thienyl)-, 1,1,1',1'-tetraoxide, (R*,R*)- (9CI)
• 131420-48-9
• C16H16 N2 O6 S4
• 460.568
• .

• 4H-1-Benzopyran-4-one,2-[3-[(6-deoxy-a-L-mannopyranosyl)oxy]-4-hydroxyphenyl]-6-(b-D-glucopyranosyloxy)-5,7-dihydroxy-(9CI)
• 132391-78-7
• C27H30 O16
• .

• 4H-1-Benzopyran-4-one,3,6-dichloro-2-(2,4,6-trimethylphenyl)-
• 13179-05-0
• C18H14 Cl2 O2
• 333.2086
• .

• 4-Thiazolidinecarboxylicacid, 2-(2-hydroxyphenyl)-3-(1-oxo-2-propen-1-yl)-, (2R,4R)-
• 107447-11-0
• C13H13 N O4 S
• .

• 4(3H)-Quinazolinone,3-amino-2-methyl-
• 1898-06-2
• C9H9 N3 O
• 175.19
• .

• 4,9,11-Trioxa-10-stannapentadeca-6,13-dien-15-oicacid, 2-methyl-10,10-dioctyl-5,8,12-trioxo-, 2-methylpropyl ester, (Z,Z)- (9CI)
• 15571-59-2
• C32H56 O8 Sn
• 239-624-5
• 687.49224
• .

• 4H-Pyrazolo[3,4-d]-1,2,3-triazin-4-one,3,7-dihydro-
• 19818-50-9
• C4H3 N5 O
• 137.0995
• .

• 4-Cyclopentene-1,3-dione,2-[(2E)-1-hydroxy-3-phenyl-2-propenylidene]-4-methoxy-, (2Z)-
• 19956-53-7
• C15H12 O4
• 0
• .

• 4H-1,3,2-Benzoxazaphosphorin-4-one,2-[bis(2-hydroxyethyl)amino]-2,3-dihydro-
• 156454-76-1
• C11H15 N2 O4 P
• 270.2216
• .

• 4-Quinolinamine,N-hydroxy-8-methyl-
• 19701-42-9
• C10H10 N2 O
• 174.1992
• .

• 4H-Furo[2,3-h]-1-benzopyran-4-one,8,9-dihydro-5-hydroxy-8-(1-hydroxy-1-methylethyl)-3-(4-hydroxyphenyl)-6-(3-methyl-2-buten-1-yl)-
• 139051-61-9
• C25H26 O6
• .

• 4-Piperidinecarboxylicacid, 1-(phenylsulfonyl)-
• 122891-92-3
• C12H15 N O4 S
• 0
• .

• 4H,5H-Pyrano[4,3-b]pyran-4,5-dione,7,7'-(2,4-dimethyl-1,3-cyclobutanediyl)bis[2,3-dihydro-3-hydroxy-2-methyl-(9CI)
• 140671-26-7
• C24H24 O10
• .

• 4H-1-Benzopyran-4-one,3-[2,4-dihydroxy-3-(3-methyl-2-buten-1-yl)phenyl]-7-hydroxy-
• 166547-20-2
• C20H18 O5
• .

• 4H-1-Benzopyran-4-one,5-[[6-O-acetyl-2-O-(6-deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl]oxy]-7-hydroxy-2-(4-hydroxyphenyl)-
• 125300-52-9
• C29H32 O15
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-5,7-dihydroxy-2-[4-methoxy-3-(3-methyl-2-buten-1-yl)phenyl]-8-methyl-6-(3-methyl-2-buten-1-yl)-,(2S)-
• 145399-96-8
• C27H32 O5
• .

• 4,6(1H,5H)-Pyrimidinedione,5-[2-(dimethylamino)ethyl]dihydro-5-(3-hydroxyphenyl)-2-thioxo-, hydrochloride(1:1)
• 1454-37-1
• C14H17 N3 O3 S . Cl H
• 343.829
• .

• 4H-[1,2,4]Triazolo[4,3-a][1,4]benzodiazepine,8-chloro-6-(2-chlorophenyl)-1-(4-methyl-1H-imidazol-5-yl)-
• 117291-09-5
• C20H14 Cl2 N6
• 409.2714
• .

• 4(3H)-Pyrimidinone,2-amino-5-[3-(4-aminophenoxy)propyl]-6-methyl-, hydrochloride (1:2)
• 15065-48-2
• C14H18 N4 O2 . 2 Cl H
• 274.3183
• .

• 4H-1-Benzopyran-4-one,3,3'-(6,6'-dihydroxy[1,1'-biphenyl]-3,3'-diyl)bis[7-hydroxy- (9CI)
• 142299-64-7
• C30H18 O8
• .

• 4,6-Nonanedione
• 14090-88-1
• C₉H₁₆O₂
• 237-938-7
• 156.22
• .

• 4,5-Hexadienoic acid,2-amino-
• 18751-91-2
• C6H9 N O2
• 0
• .

• 4H-Pyrazol-4-one,3-ethyl-5-phenyl-, oxime, 1,2-dioxide
• 17036-81-6
• C11H11 N3 O3
• 233.2233
• .

• 4-Pyrimidinamine,N,N-diethyl-6-methyl-2-(phenoxymethyl)-, hydrochloride (1:1)
• 102207-83-0
• C16H21 N3 O . Cl H
• 0
• .