• 4H-1-Benzopyran-4-one,6-fluoro-2-phenyl-
• 1218-82-2
• C15H9 F O2
• 240.23
• .

• 4H,8H-Benzo[1,2-b:3,4-b']dipyran-4-one,2-(2,2-dimethyl-2H-1-benzopyran-6-yl)-2,3-dihydro-5-hydroxy-8,8-dimethyl-,(2S)- (9CI)
• 116310-61-3
• C25H24 O5
• .

• 4-Imidazolidinebutanoicacid, 5-methyl-2-oxo- (9CI)
• 14036-85-2
• C8H14 N2 O3
• .

• 4-Pyridinecarboxylicacid, 1-[[[4-(acetylamino)phenyl]sulfonyl]amino]-1,2,3,6-tetrahydro-,2-[(4-methylphenyl)methylene]hydrazide
• 160857-57-8
• C22H25 N5 O4 S
• 455.53
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-2-(2-hydroxyphenyl)-
• 17348-76-4
• C15H12 O3
• 240.25
• .

• 4,6-Undecadienoic acid,9-hydroxy-2,8-dimethyl-3-oxo-, (2S,4E,6E,8S,9R)-
• 138258-53-4
• C13H20 O4
• .

• 4,12-Tetradecadiene-8,10-diyne-1,6,7-triol
• 136171-87-4
• C14H18 O3
• 0
• .

• 4H-1-Benzopyran-4-one,2-(2,4-dihydroxyphenyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R,3R)-
• 18422-83-8
• C15H12 O7
• 304.2516
• .

• 4,7-Ethanoisoindolinium,3a,4,7,7a-tetrahydro-2-methyl-2-[2-(1-methylpyrrolidinio)ethyl]-, diiodide(8CI)
• 13758-99-1
• C18H32 N2 . 2 I
• 554.34
• .

• 4H-1-Benzopyran-4-one,6-[[2-O-(6-deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl]oxy]-5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-
• 149998-38-9
• C29H34 O15
• .

• 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-[[[1-(4-bromophenyl)cyclopentyl]carbonyl]amino]-3,3-dimethyl-7-oxo-,monosodium salt, [2S-(2a,5a,6b)]- (9CI)
• 143407-71-0
• C20H23 Br N2 O4 S . Na
• 489.3584
• .

• 4H-Pyrido[4',3':4,5]thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine-9(8H)-carbothioamide,6-(2-chlorophenyl)-7,10-dihydro-1-methyl-N-(phenylsulfonyl)-
• 132418-59-8
• C25H21 Cl N6 O2 S3
• 569.1212
• .

• 4H-1-Benzopyran-4-one,3-[5-(1,1-dimethyl-2-propen-1-yl)-2-hydroxy-3,4-dimethoxyphenyl]-2,3-dihydro-7-hydroxy-,(3R)-
• 190386-07-3
• C22H24 O6
• .

• 4-Hexyn-3-ol,6-(diethylamino)-3-methyl-, hydrochloride (1:1)
• 100156-28-3
• C11H21 N O . Cl H
• 219.7515
• .

• 4-Quinolinol,2-(2-hepten-1-yl)-3-methyl-
• 15436-59-6
• C17H21 N O
• 255.3547
• .

• 4H-1-Benzopyran-4-one,3-[[4-O-acetyl-3-O-(2-O-acetyl-b-D-glucopyranosyl)-6-deoxy-a-L-mannopyranosyl]oxy]-7-(b-D-glucopyranosyloxy)-5-hydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-buten-1-yl)-
• 174286-23-8
• C43H54 O22
• .

• 4H-Pyrrolo[1,2-a]thieno[2,3-f][1,4]diazepine,6-(4-chlorophenyl)-5,6-dihydro-
• 136334-15-1
• C16H13 Cl N2 S
• 300.8058
• .

• 4-Quinazolinamine,N-[2-(3-phenoxyphenyl)ethyl]-
• 124427-65-2
• C22H19 N3 O
• 341.4058
• .

• 4H-Pyrido[1,2-a]pyrimidine-3-carboxamide,N-(4-chlorophenyl)-6-methyl-4-oxo-
• 125055-67-6
• C16H12 Cl N3 O2
• 313.7384
• .

• 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxamide,N-[3-(dimethylamino)propyl]-3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]-, [2S-(2a,5a,6b)]- (9CI)
• 105603-45-0
• C21H30 N4 O3 S
• 0
• .

• 4H-Dibenzo[de,g]quinoline-10,11-diol,2-fluoro-5,6,6a,7-tetrahydro-6-methyl-, (6aR)-
• 119771-41-4
• C17H16 F N O2
• 0
• .

• 4H-Imidazo[4,5-c][1,8]naphthyridin-4-one,3-[2-(acetyloxy)ethyl]-3,5-dihydro-5-phenyl-
• 139482-35-2
• C19H16 N4 O3
• 348.3553
• .

• 4-Piperidinone,2,3,6-triphenyl-, oxime
• 124069-15-4
• C23H22 N2 O
• 0
• .

• 4(3H)-Pyrimidinone,2-[methyl[1-[1-[[4-(methylthio)phenyl]methyl]-1H-benzimidazol-2-yl]-4-piperidinyl]amino]-
• 108612-68-6
• C25H28 N6 O S
• 460.5944
• .

• 4H-1-Benzopyran-4-one,2-[2,4-dihydroxy-5-(3-methyl-2-buten-1-yl)phenyl]-5,7-dihydroxy-6-(3-methyl-2-buten-1-yl)-
• 130335-49-8
• C25H26 O6
• .

• 4(3H)-Quinazolinone,6-methyl-3-(3-methyl-5-isoxazolyl)-
• 144485-86-9
• C13H11 N3 O2
• 241.2453
• .

• 4,8,12-Triazatrispiro[2.1.2.1.2.1]dodecane(8CI,9CI)
• 16413-04-0
• C9H15 N3
• .

• 4H-1-Benzopyran-4-one,8-[(2E)-3,7-dimethyl-2,6-octadien-1-yl]-2,3-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-,(2S)-
• 162382-66-3
• C25H28 O4
• .

• 4H-1-Benzopyran-4-one,7-(2,3-dihydroxypropoxy)-5-hydroxy-2-(3-hydroxy-4-methoxy-2-propylphenyl)-
• 178367-17-4
• C22H24 O8
• .

• 4,7-Methano-1H-indene-5,?-dimethanol,octahydro-, diacetate (9CI)
• 122335-01-7
• C16H24 O4
• 310-185-2
• 280.35936
• .

• 4-Cyclohepten-1-one,6-methyl-2-(1-methylethylidene)-5-(3-oxobutyl)-, (6S)-
• 116425-36-6
• C15H22 O2
• .

• 4H-1-Benzopyran-4-one,2,3-dihydro-3,5,7-trihydroxy-3-[(4-methoxyphenyl)methyl]-, (3S)-
• 17934-12-2
• C17H16 O6
• 0
• .

• 4-Quinolinamine,N-[4-[4-[bis(2-chloroethyl)amino]phenoxy]phenyl]-, hydrochloride (1:1)
• 133041-53-9
• C25H23 Cl2 N3 O . Cl H
• 0
• .

• 4-Morpholinecarboximidamide,N,N'-dicyclohexyl-N-hydroxy-, hydrochloride (1:1)
• 169238-31-7
• C17H31 N3 O2 . Cl H
• .

• 4H-Pyrazolo[3,4-d][1,2,4]triazolo[1,5-a]pyrimidin-4-one,1,8-dihydro-8-(4-methylphenyl)-
• 141300-28-9
• C13H10 N6 O
• 266.2581
• .

• 4H-1-Benzopyran-4-one,7-[[6-O-(4-carboxy-3-hydroxy-3-methyl-1-oxobutyl)-b-D-glucopyranosyl]oxy]-5-hydroxy-2-(4-hydroxyphenyl)-
• 173356-77-9
• C27H28 O14
• .

• 4,6-Decadiyne
• 16387-71-6
• C₁₀H₁₄
• 134.2182
• .

• 4H-Pyrimido[6,1-a]isoquinolin-4-one,6-ethyl-2,3,6,7-tetrahydro-9,10-dimethoxy-3-methyl-2-[(2,4,6-trimethylphenyl)imino]-,monohydrochloride, (R)- (9CI)
• 108445-56-3
• C26H31 N3 O3 . Cl H
• 470.0036
• .

• 4-Pyridinecarboxylicacid, 2-(8-methoxy-2-phenyl-4-quinolinyl)hydrazide
• 159586-87-5
• C22H18 N4 O2
• 370.4039
• .

• 4-Thiazolidinone,3,3'-(1,2-ethanediyl)bis[2-(3-pyridinyl)-, 1,1,1',1'-tetraoxide, (R*,R*)- (9CI)
• 131420-53-6
• C18H18 N4 O6 S2
• 450.4887
• .

• 4H-1-Benzopyran-4-one,7-(b-D-glucopyranosyloxy)-6-methoxy-3-(4-methoxyphenyl)-
• 19046-26-5
• C23H24 O10
• 460.43
• .

• 4-Thiazolidinone,3-(2-benzoyl-4-chlorophenyl)-2-[(4-bromophenyl)imino]-
• 111044-17-8
• C22H14 Br Cl N2 O2 S
• 485.7808
• .

• 4H-Imidazo[4,5,1-ij]quinolin-2(1H)-one,5,6-dihydro-5-(methylamino)-, (5R)-
• 179386-43-7
• C11H13 N3 O
• 203.2404
• .

• 4(3H)-Pteridinone,6-[(1R,2S)-2-[[2-(acetylamino)-2-deoxy-b-D-glucopyranosyl]oxy]-1-hydroxypropyl]-2-amino-
• 164803-20-7
• C17H24 N6 O8
• .

• 4-Thiazolidinecarboxylicacid, 2-[(4R)-4,5-dihydro-2-(2-hydroxyphenyl)-4-thiazolyl]-3-methyl-, (2S,4R)-
• 164104-32-9
• C14H16 N2 O3 S2
• .

• 4-Acridinecarboxamide,9-amino-N-[2-(dimethylamino)ethyl]-3-methoxy-
• 100113-21-1
• C19H22 N4 O2
• 0
• .

• 4-Thiazoleacetic acid, a-(methoxyimino)-2-[(triphenylmethyl)amino]-,hydrochloride (1:1)
• 123333-74-4
• C25H21 N3 O3 S . Cl H
• 442.5101
• .

• 4-Piperidinol,1-[2-(5-fluoro-1H-indol-3-yl)ethyl]-4-[[(R)-phenylsulfinyl]methyl]-
• 151191-90-1
• C22H25 F N2 O2 S
• .

• 4H-Dinaphtho[1,2-b:2',1'-d]pyran-4-one,2,3,4a,5,6,14-hexahydro-4a-methyl-
• 135643-39-9
• C22H20 O2
• 0
• .

• 4H-Thieno[2,3-b]thiopyran-2-sulfonamide,4-(ethylamino)-5,6-dihydro-6-propyl-, 7,7-dioxide, hydrochloride (1:1),(4S,6S)-
• 138967-46-1
• C12H20 N2 O4 S3 . Cl H
• .