• 4(1H)-Quinolinone,8-(trifluoromethyl)-
• 93919-57-4
• C10H6 F3 N O
• 300-041-7
• 213.1559496
• .

• 4-Piperidinecarboxylicacid, 1-[2-(9-anthracenyl)acetyl]-
• 26965-33-3
• C22H21 N O3
• 347.407
• .

• 4,6(1H,5H)-Pyrimidinedione,dihydro-5-phenyl-5-[2-(1-piperidinyl)ethyl]-2-thioxo-, hydrochloride (1:1)
• 1162-23-8
• C17H21 N3 O2 S . Cl H
• 367.8935
• .

• 4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,2,3-dihydro-8,8-dimethyl-6-(3-methyl-2-butenyl)-2-phenyl-, (2S)- (9CI)
• 159650-13-2
• C25H26 O3
• .

• 4(1H)-Pyrimidinone,2,3-dihydro-5-(1-methylethyl)-1-[(phenylmethoxy)methyl]-6-(phenylseleno)-2-thioxo-
• 172255-98-0
• C21H22 N2 O2 S Se
• 445.4366
• .

• 4-Quinolinol, 3-phenyl-
• 17052-37-8
• C15H11 N O
• 221.2539
• .

• 4H-1-Benzopyran-4-one,7-[[6-O-(6-deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl]oxy]-2,3-dihydro-2-[4-methoxy-3-(phosphonooxy)phenyl]-5-(phosphonooxy)-,disodium salt, (S)- (9CI)
• 85006-16-2
• C28H36 O21 P2 . 2 Na
• 285-045-6
• 814.484022
• .

• 4(3H)-Quinazolinone,2-phenyl-3-[[4-(1-piperidinylcarbonyl)phenyl]amino]-
• 131604-11-0
• C26H24 N4 O2
• 424.4944
• .

• 4-Azatricyclo[4.3.1.13,8]undec-4-en-5-amine,N-[2-(2-methoxyphenoxy)ethyl]-, hydrochloride (1:1)
• 31556-11-3
• C19H26 N2 O2 . Cl H
• 350.8829
• .

• 4H-1,3-Thiazino[5,6-b]quinoxalin-4-one,2-[(3-chlorophenyl)amino]-
• 154371-18-3
• C16H9 Cl N4 O S
• 340.7869
• .

• 4-Morpholineethanol, a-(4-bromophenyl)-3-ethyl-,hydrochloride (1:1)
• 69796-17-4
• C14H20 Br N O2 . Cl H
• 314.2181
• .

• 4H-Furo[2,3-h]-1-benzopyran-4-one,2,3,8,9-tetrahydro-5-methoxy-8-(1-methylethenyl)-2-phenyl- (9CI)
• 104777-96-0
• C21H20 O4
• .

• 4-Thiazolidinecarboxylicacid, 2-(1-phenylethyl)-
• 83690-82-8
• C12H15 N O2 S
• 237.32
• .

• 4,6-Methanocyclobuta[cd]cyclopropa[3,4]benzo[1,2-a]pentalen-5(1H)-one,dodecahydro-1a,2,3a,4-tetrahydroxy-6-(hydroxymethyl)-1,1,3,5a-tetramethyl-,(1aR,2S,3S,3aR,3bS,4R,5aR,5bS,6S,6aR,6bR,6cS)-rel- (9CI)
• 26242-50-2
• C20H28 O6
• .

• 4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7,8-trimethoxy-
• 571-71-1
• C19H18 O8
• 0
• .

• 4H-1-Benzopyran-4-one,5-hydroxy-8-[2-hydroxy-5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)phenyl]-7-methoxy-2-(4-methoxyphenyl)-
• 23132-13-0
• C33H24 O10
• 0
• .

• 4H-Pyrrolo[3,2-d]pyrimidin-4-one,2-amino-3,5-dihydro-
• 65996-58-9
• C6H6 N4 O
• 150.138
• .

• 4-Morpholineethanol,2-hydroxy-2-[4-[(2-methylpropyl)sulfonyl]phenyl]-, hydrochloride (1:1)
• 104100-25-6
• C16H25 N O5 S . Cl H
• 0
• .

• 4-Pyrimidinamine,5-[(4-methylphenyl)sulfonyl]-
• 32083-52-6
• C11H11 N3 O2 S
• 249.2889
• .

• 4(3H)-Quinazolinone,3-[[(4-methylphenyl)amino]methyl]-, hydrochloride (1:2)
• 75159-50-1
• C16H15 N3 O . 2 Cl H
• 0
• .

• 4-Morpholineethanamine,N-[(4-chlorophenyl)phenylmethyl]-
• 23892-47-9
• C19H23 Cl N2 O
• 330.8517
• .

• 4H-Thiopyran-4-one,tetrahydro-2,2-dimethyl-
• 2323-13-9
• C7H12 O S
• 144.2346
• .

• 4a,10a-Epoxy-1H-naphtho[2,3-c]pyran-3-aceticacid, 3,4,5,10-tetrahydro-9-hydroxy-1-methyl-5,10-dioxo-, (1S,3R,4aR,10aS)-(9CI)
• 72660-52-7
• C16H14 O7
• 0
• .

• 4(3H)-Pyrimidinone,2,6-diamino-5-[2-(2,5-dimethoxyphenyl)diazenyl]-
• 30189-07-2
• C12H14 N6 O3
• 290.278
• .

• 4-Piperidinecarboxylicacid, 3-methyl-1-[(4-methylphenyl)sulfonyl]-4-phenyl-, trans-(-)- (9CI)
• 83863-68-7
• C20H23 N O4 S
• 281-133-3
• 373.46592
• .

• 4-Isoquinolinecarboxamide,1,2-dihydro-2-methyl-1-oxo-N,N-di-2-propen-1-yl-
• 148581-43-5
• C17H18 N2 O2
• 282.337
• .

• 4H-Pyran-4-one,2,3-dihydro-2-(hydroxymethyl)-6-methyl-, (2R)-
• 146064-67-7
• C7H10 O3
• .

• 4,8[3',4']-Pyrrolidino-4H,8H-thieno[3,4-f]-2,1,3-benzothiadiazole-10,12-dione
• 26058-43-5
• C12H7 N3 O2 S2
• .

• 4-Oxazoleethanol,5-methyl-2-phenyl-
• 103788-65-4
• C₁₂H₁₃NO₂
• 203.24
• .

• 4-Morpholineacetamide,N-(7-oxo-1,3,5-cycloheptatrien-1-yl)-, hydrochloride (1:1)
• 15499-18-0
• C13H16 N2 O3 . Cl H
• 284.7387
• .

• 4a,8-Epoxy-4aH-benzocycloheptene,1,2,5,6,7,8-hexahydro-3,5,5,9-tetramethyl-, (4aS)-
• 64825-84-9
• C15H22 O
• 0
• .

• 4,6(1H,5H)-Pyrimidinedione,dihydro-5-[[(3-nitrophenyl)amino]methyl]-1-[[2-oxo-2-(10H-phenothiazin-10-yl)ethyl]amino]-3-phenyl-2-thioxo-
• 141177-55-1
• C31H24 N6 O5 S2
• 624.6895
• .

• 4(5H)-Thiazolone,2-amino-5-(aminomethyl)-, hydrobromide (1:2)
• 111506-16-2
• C4H7 N3 O S . 2 Br H
• 307.0068
• .

• 4H-1-Benzopyran-4-one,6-b-D-glucopyranosyl-5,7-dihydroxy-2-methyl-
• 89701-85-9
• C16H18 O9
• 0
• .

• 4,5,8-Isoquinolinetriol,1,2,3,4-tetrahydro-, hydrochloride (1:1)
• 15052-02-5
• C9H11 N O3 . Cl H
• 181.1885
• .

• 4(1H)-Pyrimidinone,5,6-dimethyl-2-[[(2Z)-4-[3-(1-piperidinylmethyl)phenoxy]-2-butenyl]amino]-,dihydrochloride (9CI)
• 126869-04-3
• C22H30 N4 O2 . 2 Cl H
• 455.42
• .

• 4H-1-Benzopyran-4-one,5-hydroxy-2-(3-hydroxy-4,5-dimethoxyphenyl)-6,7-dimethoxy-
• 111537-41-8
• C19H18 O8
• 374.3414
• .

• 4-Pyrimidinamine,2-(butylthio)-6-(2-naphthalenylthio)-
• 284681-96-5
• C18H19 N3 S2
• 341.4936
• .

• 4-Piperidinone,2,6-bis(4-bromophenyl)-3-phenyl-, oxime
• 124069-16-5
• C23H20 Br2 N2 O
• 0
• .

• 4H-1-Benzopyran-4-one,3-[[4-O-acetyl-3-O-(3-O-acetyl-b-D-xylopyranosyl)-6-deoxy-a-L-mannopyranosyl]oxy]-7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-butenyl)-(9CI)
• 124862-71-1
• C42H52 O21
• .

• 4-Piperidinol,1-[(4-methylphenyl)sulfonyl]-4-phenyl-
• 83863-40-5
• C18H21 N O3 S
• 281-102-4
• 331.42924
• .

• 4-Imidazolidinone,3-(2-chlorobenzoyl)-5-[(2-methylphenyl)methylene]-2-thioxo-
• 112822-04-5
• C18H13 Cl N2 O2 S
• 356.826
• .

• 4-Phenanthrenol,1-[2-(dimethylamino)ethyl]-3,5,6-trimethoxy-
• 101959-19-7
• C21H25 N O4
• 355.4275
• .

• 4H-1,3,2-Benzodioxaphosphorin-2-amine,N-(1-methylpropyl)-6-nitro-, 2-sulfide
• 130365-36-5
• C11H15 N2 O4 P S
• 302.286561
• .

• 4H-1-Benzopyran-4-one,6-b-D-glucopyranosyl-2-[4-(b-D-glucopyranosyloxy)phenyl]-5-hydroxy-7-methoxy-
• 16049-42-6
• C28H32 O15
• 0
• .

• 4H-1-Benzothiopyran-4-one,2,3-dihydro-3-[(4-methoxyphenyl)methylene]-, 1,1-dioxide, (3Z)-
• 130689-13-3
• C17H14 O4 S
• 314.3557
• .

• 4-Morpholineethanamine,N-[6-(4-fluorophenyl)-4-methyl-3-pyridazinyl]-, hydrochloride (1:2)
• 118269-88-8
• C17H21 F N4 O . 2 Cl H
• 389.2951
• .

• 4(1H)-Pyrimidinone,6-[(3-methylphenyl)thio]-2-(1-methylpropoxy)-
• 284681-91-0
• C15H18 N2 O2 S
• 290.3806
• .

• 4-Thiazolidinone,3-[2-(3,4-dimethoxyphenyl)ethyl]-5-methyl-2-thioxo-
• 23522-21-6
• C14H17 N O3 S2
• 311.4197
• .

• 4H-Pyran-2-carboxylicacid, 5,6-dimethyl-4-oxo-
• 92490-75-0
• C8H8 O4
• 0
• .