• 4H-1-Benzopyran-4-one,3-[[3-O-(6-O-acetyl-b-D-glucopyranosyl)-b-D-galactopyranosyl]oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-
• 195702-53-5
• C29H32 O17
• .

• 4-Acridinecarboxamide,9-amino-6-chloro-N-[2-(dimethylamino)ethyl]-, hydrochloride (1:2)
• 100113-07-3
• C18H19 Cl N4 O . 2 Cl H
• 0
• .

• 4H-Pyrrolo[3,4-d]pyrimidin-4-one,6-acetyl-3,5,6,7-tetrahydro-
• 15199-05-0
• C8H9 N3 O2
• 179.176
• .

• 4H-5,10a-Ethano-3-oxa-8,14b-diazabenzo[a]cyclonon[cd]azulene-1,15(2H)-dione,6-ethylidene-4a,5,6,7,8,9,10,14c-octahydro-2,12-dimethoxy-8-methyl-,(2R,4aS,5S,6E,10aR,14cR)- (9CI)
• 18361-65-4
• C24H30 N2 O5
• .

• 4-Hexyn-3-ol,6-[bis(2-chloroethyl)amino]-3-methyl-, hydrochloride (1:1)
• 19176-72-8
• C11H19 Cl2 N O . Cl H
• 252.1807
• .

• 4H-1,2,4-Triazole,4-(3-chloro-4-fluorophenyl)-3-(2,4-dichlorophenyl)-5-(phenoxymethyl)-
• 141079-15-4
• C21H13 Cl3 F N3 O
• 448.7048
• .

• 4-Morpholinepropanol, a-(2,5-dimethoxyphenyl)-g-methyl-a-phenyl-, hydrochloride (1:1)
• 15211-74-2
• C22H29 N O4 . Cl H
• .

• 4H-Imidazo[4,5-c]quinolin-4-one,1,5-dihydro-1-methyl-5-propyl-
• 133305-97-2
• C14H15 N3 O
• 241.2884
• .

• 4-Oxazolecarboxamide,N-[3-[(2,3-dihydroxybenzoyl)amino]propyl]-2-(2,3-dihydroxyphenyl)-4,5-dihydro-5-methyl-,(4S,5R)-
• 155070-21-6
• C21H23 N3 O7
• .

• 4,6:9,12:21,24-Trietheno-1H-pyrido[3',2':14,15][1,11]dioxacycloeicosino[2,3,4-ij]isoquinolin-5-ol,2,3,8,13,13a,14,15,16,25,25a-decahydro-18,19,30-trimethoxy-1,14-dimethyl-, (13aS,25aR)-(9CI)
• 151380-30-2
• C38H42 N2 O6
• .

• 4H-Furo[3,2-c][1]benzopyran-4-one,2,3-dihydro-2,3,9-trimethyl-2-(4-methyl-3-penten-1-yl)-, (2R,3S)-rel-(-)-
• 101622-89-3
• C20H24 O3
• .

• 4-Pyridinecarboxaldehyde,2-fluoro-5-hydroxy-3,6-dimethyl-
• 106212-90-2
• C8H8 F N O2
• 0
• .

• 4-Isoquinolinecarboxamide,N-[2-(dimethylamino)ethyl]-1,2-dihydro-2-methyl-1-oxo-
• 148581-41-3
• C15H19 N3 O2
• 273.3303
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-5-hydroxy-7-methoxy-6-[(1R,6R)-3-methyl-6-(1-methylethyl)-2-cyclohexen-1-yl]-2-phenyl-,(2S)-
• 111786-26-6
• C26H30 O4
• .

• 4-Thiazolidinone,5-[(4-chlorophenyl)methylene]-3-[[(4-chlorophenyl)methylene]amino]-2-thioxo-
• 17521-25-4
• C17H10 Cl2 N2 O S2
• 393.310
• .

• 4(1H)-Pyridinone,1-(4-ethoxybutyl)-3-hydroxy-2-methyl-
• 133361-34-9
• C12H19 N O3
• 225.2842
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-3,5,7-trihydroxy-3-(2-hydroxy-4-methoxyphenyl)-, (+)-
• 180285-69-2
• C16H14 O7
• .

• 4H-1-Benzopyran-4,7(8H)-dione,8-ethyl-3-(hydroxymethyl)-2,8-dimethyl-, (8R)-
• 137181-63-6
• C14H16 O4
• 0
• .

• 4(1H)-Pyridazinone,3-(2-aminoethoxy)-6-methyl-1-[3-(trifluoromethyl)phenyl]-
• 146824-80-8
• C14H14 F3 N3 O2
• 0
• .

• 4-Thiazolidinone,5-(3-isoxazolylmethylene)-3-phenyl-2-thioxo-
• 1430-06-4
• C13H8 N2 O2 S2
• 288.3448
• .

• 4,6(1H,5H)-Pyrimidinedione,dihydro-5-[(2-hydroxyphenyl)methylene]-1-(2-methylphenyl)-3-(4-phenyl-2-thiazolyl)-2-thioxo-
• 139356-87-9
• C27H19 N3 O3 S2
• 497.5881
• .

• 4H-1-Benzopyran-4-one,5-hydroxy-2-(3-hydroxy-2,4,5-trimethoxyphenyl)-6,7-dimethoxy-
• 111950-81-3
• C20H20 O9
• .

• 4-Methylphenethyl isothiocyanate
• 13203-39-9
• C₁₀H₁₁NS
• 177.27
• .

• 4a(2H)-Naphthalenecarboxylicacid, 1-[2-(3-furanyl)ethyl]-1,3,4,7,8,8a-hexahydro-1,2,5-trimethyl-,(1R,2S,4aR,8aR)-
• 19902-42-2
• C20H28 O3
• 0
• .

• 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid,3,3-dimethyl-6-[[[[[[4-(methylamino)benzoyl]hydrazono]acetyl]amino]phenylacetyl]amino]-7-oxo-,[2S-[2a,5a,6b(S*)]]- (9CI)
• 143667-45-2
• C26H28 N6 O6 S
• 552.6021
• .

• 4a,14a-Epoxy-4,14-[3]hexene[1,5]diynonaphtho[2,3-c]phenanthridine-2-carboxylicacid, 1,4,7,12,13,14-hexahydro-6-hydroxy-3-methoxy-1-methyl-7,12-dioxo-,[1S-(1R*,4S*,4aS*,14R*,14aR*,18Z)]- (9CI)
• 165254-66-0
• C30H19 N O7
• .

• 4-Pyrimidinamine, 6-chloro-2-(trifluoromethyl)-
• 1480-66-6
• C₅H₃ClF₃N₃
• 0
• .

• 4H-1-Benzopyran-4-one,7-[(2S)-2,3-dihydroxypropoxy]-5-hydroxy-2-(3-hydroxy-4-methoxy-2-propylphenyl)-
• 178367-19-6
• C22H24 O8
• .

• 4,11-Dioxabicyclo[8.1.0]undec-8-en-5-one,7-hydroxy-3-methyl-, (1S,3R,7S,8E,10R)-
• 127393-90-2
• C10H14 O4
• 198.22
• .

• 4-Octyne-1,8-diol,2,7-dimethyl-2,7-bis[[(methylsulfonyl)oxy]methyl]-, 1,8-dimethanesulfonate
• 16343-98-9
• C16H30 O12 S4
• 542.6622
• .

• 4H-Pyrimido[6,1-a]isoquinolin-4-one,2,3,6,7-tetrahydro-8,9-dimethoxy-3,6-dimethyl-2-[(2,4,6-trimethylphenyl)imino]-,monohydrochloride, (R)- (9CI)
• 108446-01-1
• C25H29 N3 O3 . Cl H
• 455.977
• .

• 4-Thiazolidinone,3-[2-[1-acetyl-5-(2-fluorophenyl)-4,5-dihydro-1H-pyrazol-3-yl]phenyl]-5-methyl-2-[2-(4-methylphenyl)-1H-indol-3-yl]-
• 133405-43-3
• C36H31 F N4 O2 S
• 602.7203
• .

• 4H-Benzofuro[3,2-f][2]benzopyran-4-one,1,2-dihydro-2,5,9-trihydroxy-11-(2-oxoheptyl)-2-pentyl- (9CI)
• 159736-31-9
• C27H32 O7
• .

• 4H-1,3,4-Oxadiazin-5(6H)-one,2-(2,8-dimethylimidazo[1,2-a]pyridin-3-yl)-
• 107719-75-5
• C12H12 N4 O2
• 244.2493
• .

• 4H-1,2,4-Triazol-4-amine,N-[[4-(dimethylamino)phenyl]methylene]-
• 18998-51-1
• C11H13 N5
• 215.2544
• .

• 4H-[1,2,4]Triazolo[4,3-a][1,4]benzodiazepine,8-chloro-1-methyl-6-phenyl-, hydrate (1:2)
• 135748-32-2
• C17H13 Cl N4 . 2 H2 O
• 344.7955
• .

• 4-Imidazolidinone,3-[2-(3,4-dihydroxyphenyl)ethyl]-2-thioxo-
• 190255-93-7
• C11H12 N2 O3 S
• .

• 4H-Pyrrolo[1,2-a]thieno[3,2-f][1,4]diazepine,5,6-dihydro-3-methyl-6-(4-nitrophenyl)-
• 137052-96-1
• C17H15 N3 O2 S
• 325.3849
• .

• 4,7-Epoxy-2H-[1,6]dioxacyclotridecino[2,3,4-gh]pyrrolizine-2,8(3H)-dione,dodecahydro-4,6,7-trimethyl-, (4R,6R,7S,10aS,15aR,15bR)- (9CI)
• 172018-19-8
• C18H27 N O5
• .

• 4H-1,3-Benzoxazin-4-one,3-benzoyl-2,3-dihydro-2-(4-methylphenyl)-
• 114439-72-4
• C22H17 N O3
• 343.3753
• .

• 4(3H)-Quinazolinone,2-butyl-6-(1-methoxy-1-methylethyl)-3-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-
• 143945-39-5
• C30H32 N6 O2
• 508.62854
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-3-hydroxy-7-methoxy-3-phenyl-
• 18380-57-9
• C16H14 O4
• 270.28
• .

• 4,12,23,27,42-Hexatetracontapentaene-1,18,21,45-tetrayne-3,20,44-triol,(3S,4E,12Z,20S,23E,27Z,42E,44S)-
• 124739-43-1
• C46H68 O3
• .

• 4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,2-[(b-D-glucopyranosyloxy)methyl]-5-methoxy-8,8-dimethyl-
• 172175-26-7
• C22H26 O10
• .

• 4-Piperidinecarboxylicacid, 1-[cis-4-cyano-4-(4-fluorophenyl)cyclohexyl]-3-methyl-4-phenyl-, (3S,4S)-
• 105452-52-6
• C26H29 F N2 O2
• .

• 4H-Pyrimido[6,1-a]isoquinolin-4-one,7,7-diethyl-2,3,6,7-tetrahydro-9,10-dimethoxy-3-methyl-2-[(2,4,6-trimethylphenyl)imino]-,hydrochloride (1:1)
• 108445-89-2
• C28H35 N3 O3 . Cl H
• 498.0567
• .

• 4H-1-Benzopyran-4-one,2-[4,5-dihydroxy-2-(hydroxymethyl)phenyl]-2,3-dihydro-3,5,7-trihydroxy-,(2R,3R)-
• 197247-00-0
• C16H14 O8
• .

• 4H-Imidazol-4-one,5-[(3-chlorophenyl)methylene]-3,5-dihydro-2-methyl-3-(5-phenyl-1,3,4-thiadiazol-2-yl)-
• 100037-26-1
• C19H13 Cl N4 O S
• 380.8507
• .

• 4H-1-Benzopyran-8-carboxylicacid, 3-methyl-4-oxo-2-phenyl-, 1-phenyl-2-(1-piperidinyl)ethyl ester,hydrochloride (1:1)
• 147528-34-5
• C30H29 N O4 . Cl H
• 504.0165
• .

• 4H-1-Benzopyran-4-one,2-(2,6-dimethoxyphenyl)-5,6-dimethoxy-
• 14813-19-5
• C19H18 O6
• 0
• .