• 4H-Pyrazolo[3,4-d]pyrimidin-4-one,1,5-dihydro-1,6-dimethyl-5-propyl-
• 88320-50-7
• C10H14 N4 O
• 206.2444
• .

• 4H-1,4-Ethano-10,4a-(iminoethano)phenanthrene,1,9,10,10a-tetrahydro-, (1S,4R,4aS,10R,10aR)- (9CI)
• 83151-86-4
• C18H21 N
• .

• 4(3H)-Quinazolinone,6-bromo-3-(4-methoxyphenyl)-2-[2-(2-phenyl-1H-indol-3-yl)ethenyl]-
• 81958-12-5
• C31H22 Br N3 O2
• 548.4293
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-7-hydroxy-3-[(4-methoxyphenyl)methylene]-, (3E)-
• 83162-84-9
• C17H14 O4
• .

• 4-Heptyn-3-ol,2-methoxy-2-methyl-
• 83803-83-2
• C9H16 O2
• 280-903-6
• 156.22214
• .

• 4(3H)-Pyrimidinone,3-(2-ethylphenyl)-2-(methylthio)-
• 89069-36-3
• C13H14 N2 O S
• 246.3281
• .

• 4-Imidazolidinone,5-[(6-bromo-1H-indol-3-yl)methylene]-2-imino-1,3-dimethyl-
• 85079-45-4
• C14H13 Br N4 O
• 333.1832
• .

• 4H-1-Benzopyran-8-aceticacid, 4-oxo-2-phenyl-, 2-hydroxyethyl ester
• 87626-65-1
• C19H16 O5
• 324.3273
• .

• 4-(((2,3-Dihydro-2-methyl-1H-indol-1-yl)imino)methyl)-1-methylquinolinium acetate
• 83968-98-3
• C22H23N3O2
• 281-575-7
• 361.43692
• .

• 4H-Imidazo[4,5-d]-1,2,3-triazin-4-one,7-amino-3,7-dihydro-6-methyl-
• 89713-02-0
• C5H6 N6 O
• 166.1407
• .

• 4H-1,3-Dioxin-4-one,2-(4-methoxyphenyl)-6-methyl-
• 83559-41-5
• C12H12 O4
• 220.2213
• .

• 4(3H)-Pyrimidinone,3-[2-chloro-5-(trifluoromethyl)phenyl]-2-(methylthio)-
• 89069-34-1
• C12H8 Cl F3 N2 O S
• 320.7179
• .

• 4-Isoxazolecarboxylicacid, 3-(2-chloro-6-fluorophenyl)-5-methyl-, potassium salt (1:1)
• 83817-49-6
• C11H7 Cl F N O3 . K
• 280-949-7
• 293.7199432
• .

• 4H-Imidazol-4-one,3,5-dihydro-2-(4-methoxyphenyl)-3-[4-(4-morpholinyl)phenyl]-5-(phenylmethylene)-
• 86818-85-1
• C27H25 N3 O3
• 439.5057
• .

• 4H-Benzo[4,5]cyclohepta[1,2-b]furan-3-carboxamide,N,N-diethyl-9,10-dihydro-4-oxo-
• 83494-75-1
• C18H19 N O3
• 0
• .

• 4(1H)-Pyridinone,3-methoxy-2-methyl-1-b-D-ribofuranosyl-
• 87597-93-1
• C12H17 N O6
• 271.2665
• .

• 4-Cyclohexyl-2,6-dimethylpyrylium hexafluoroarsenate
• 84304-16-5
• C13H19AsF6O
• 282-701-3
• 380.2013792
• .

• 4H-Pyrazolo[3,4-d]pyrimidin-4-one,1,5-dihydro-1,6-dimethyl-5-(2-methylphenyl)-
• 88320-59-6
• C14H14 N4 O
• 254.2872
• .

• 4-(4-Isopropylpiperazinocarbonyl)phenyl 1,2,3,4-tetrahydro-1-naphthoate methanesulfonate
• 85858-77-1
• C₂₆H₃₃N₂O₆S^-
• 0
• .

• 4,8-Methano-9H-pyrrolo[3,2-c]azocin-9-one,1,4,5,6,7,8-hexahydro-1,5-dimethyl-
• 83348-31-6
• C12H16 N2 O
• 204.2682
• .

• 4-Pyrimidineaceticacid, 2-[(2,2-dimethyl-1-oxopropyl)amino]-1,6-dihydro-6-oxo-,4,4-dimethoxy-3-methyl-2-butenyl ester, (E)- (9CI)
• 86944-12-9
• C18H27 N3 O6
• 381.4235
• .

• 4-Acridinecarboxamide,9-amino-N-[2-(dimethylamino)ethyl]-7-methoxy-
• 89459-61-0
• C19H22 N4 O2
• 338.4036
• .

• 4H-Pyrido[1,2-a]pyrimidin-4-one,3-(2-bromoethyl)-2,7-dimethyl-
• 84946-17-8
• C12H13 Br N2 O
• 284-620-9
• 281.1484
• .

• 4-Pyrimidinamine,2-[[(4-fluorophenyl)methyl]thio]-N,5-dimethyl-
• 841-08-7
• C13H14 F N3 S
• 263.3338
• .

• 4-Thiazolecarboxylicacid, 2-[(benzoylamino)methyl]-, ethyl ester
• 88219-00-5
• C14H14 N2 O3 S
• 290.3376
• .

• 4H-Benzo[a]quinolizine-2-aceticacid, 3-ethyl-1,6,7,11b-tetrahydro-9,10-dimethoxy-
• 84254-95-5
• C19H25 N O4
• 282-541-4
• 331.4061
• .

• 4(1H)-Phenanthrenone,3-bromo-2,3-dihydro-
• 84495-60-3
• C14H11 Br O
• 275.1405
• .

• 4H-1-Benzopyran-4-one,8-b-D-glucopyranosyl-5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-
• 89915-55-9
• C23H24 O11
• 476.4301
• .

• 4H-[1,2,4]Triazolo[4,3-a][1,4]benzodiazepine,8-chloro-6-(2-chlorophenyl)-1-[[(4-methylphenyl)thio]methyl]-
• 85677-82-3
• C24H18 Cl2 N4 S
• 465.3975
• .

• 4H-1-Benzopyran-4-one,6,7-dihydroxy-3-(4-methoxyphenyl)-
• 897-46-1
• C₁₆H₁₂O₅
• 212-980-9
• 284.26
• .

• 4H-Benzo[4,5]cyclohepta[1,2-b]furan-3-carboxamide,N-(2-cyanoethyl)-9,10-dihydro-N-[2-(4-morpholinyl)ethyl]-4-oxo-, hydrochloride(1:1)
• 83494-79-5
• C23H25 N3 O4 . Cl H
• 0
• .

• 4H-1,3-Benzodioxin-4-one,6-methoxy-2,2-dimethyl-
• 82944-21-6
• C11H12 O4
• 0
• .

• 4(1H)-Quinazolinone,2,3-dihydro-2-thioxo-3-[3-(trifluoromethyl)phenyl]-
• 81066-86-6
• C15H9 F3 N2 O S
• 322.305
• .

• 4(3H)-Quinazolinone,2-chloro-3-(2-methylphenyl)-
• 892-15-9
• C15H11 Cl N2 O
• 0
• .

• 4-Piperidinecarboxylicacid, 3-methyl-4-phenyl-, phenylmethyl ester, hydrochloride (1:1)
• 83898-33-3
• C20H23 N O2 . Cl H
• 281-242-6
• 345.86306
• .

• 4(1H)-Quinazolinone,2-(2,6-dichlorophenyl)-2,3-dihydro-
• 83800-94-6
• C14H10 Cl2 N2 O
• 293.148
• .

• 4H-Pyrazolo[3,4-d]pyrimidin-4-one,1,5-dihydro-5-(2-methoxyphenyl)-1,6-dimethyl-
• 88320-60-9
• C14H14 N4 O2
• 270.2866
• .

• 4H-1-Benzopyran-4-one,8-[(2E)-3,7-dimethyl-2,6-octadienyl]-2,3-dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-,(2S)-
• 87893-18-3
• C25H28 O5
• .

• 4-Morpholinamine,N-(2-phenylethyl)-
• 87498-64-4
• C12H18 N2 O
• 206.2841
• .

• 4-Thiazoleacetic acid,2,2'-(carbonyldiimino)bis[a-(methoxyimino)-, dimethyl ester, (Z,Z)- (9CI)
• 84245-84-1
• C15H16 N6 O7 S2
• 456.4535
• .

• 4,7-Methano-1H-isoindole-1,3(2H)-dione,hexahydro-2-(2,2,6,6-tetramethyl-4-piperidinyl)-
• 84540-28-3
• C18H28 N2 O2
• 283-120-8
• 304.42712
• .

• 4H-Imidazol-4-one,3,5-dihydro-2-(4-methoxyphenyl)-5-[(4-methoxyphenyl)methylene]-3-[4-(4-morpholinyl)phenyl]-
• 86818-89-5
• C28H27 N3 O4
• 469.5317
• .

• 4H-Imidazol-4-one,3,5-dihydro-5-[(3-hydroxyphenyl)methylene]-3-[(6-methoxy-2-methyl-4-quinolinyl)amino]-2-methyl-
• 85986-79-4
• C22H20 N4 O3
• 388.4192
• .

• 4-Isoxazolecarboxylicacid, 3-methyl-5-(methylamino)-, ethyl ester
• 87529-18-8
• C8H12 N2 O3
• 184.1925
• .

• 4H-Benzo[4,5]cyclohepta[1,2-b]furan-3-carboxamide,N-(2-cyanoethyl)-N-[3-(dimethylamino)propyl]-9,10-dihydro-4-oxo-, hydrochloride(1:1)
• 83494-80-8
• C22H25 N3 O3 . Cl H
• 0
• .

• 4H-Bisoxireno[1,8a:2,3]azuleno[4,5-b]furan-2(3H)-one,octahydro-6-hydroxy-6,8a-dimethyl-3-methylene-,(3aS,6S,6aS,7aR,7bS,8aR,8bS,8cS)-
• 83059-05-6
• C15H18 O5
• .

• 4H-Benzo[a]quinolizine,2-[(3,4-dihydro-6,7-dimethoxy-1-isoquinolinyl)methyl]-3-ethyl-1,6,7,11b-tetrahydro-9,10-dimethoxy-,dihydrochloride, (S)- (9CI)
• 84254-94-4
• C29H36 N2 O4 . 2 Cl H
• 282-540-9
• .

• 4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,2,3-dihydro-5-hydroxy-2-(2-hydroxy-4-methoxyphenyl)-8,8-dimethyl-6-(3-methyl-2-butenyl)-,(2S)- (9CI)
• 88660-16-6
• C26H28 O6
• 0
• .

• 4H-3,1-Benzoxathiin,6-(1,1-dimethylethyl)-2,2-dimethyl-4,4-bis(trifluoromethyl)-
• 84649-62-7
• C16H18 F6 O S
• 372.3689
• .

• 4-Piperidinol,4-(2-phenylethyl)-, hydrochloride (1:1)
• 83846-80-4
• C13H19 N O . Cl H
• 281-059-1
• 241.757
• .