4-[[(3S,7R,8S,9S,10R,13R,14S)-7-(3-carboxypropanoyloxy)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-4-oxobutanoic acid

4-oxopyrano[3,2-b][1]benzofuran-3-carbaldehyde

4-[6-[[3-(1,2-dihydroxyethyl)-3,5,12-trihydroxy-11-imino-10-methoxy-6-oxo-2,4-dihydro-1H-tetracen-1-yl]oxy]-3-hydroxy-2-methyloxan-4-yl]morpholine-3-carbonitrile

4-tert-butyl-1-(3-chlorophenyl)-2,6,7-trioxabicyclo[2.2.2]octane

4-methyl-16,17-dihydro-15H-cyclopenta[a]phenanthrene

4-tert-butyl-1-(4-ethynylphenyl)-2,6,7-trioxabicyclo[2.2.2]octane

4-tert-butyl-1-ethynyl-2,6,7-trioxabicyclo[2.2.2]octane

4-(3,8-diamino-5-methylphenanthridin-5-ium-6-yl)benzoic acid

4-Thiazolidinecarboxylic acid, methyl ester, hydrochloride (1:1)

4-[2-[2-(3,4-dimethoxyphenyl)ethylamino]-1-hydroxyethyl]benzene-1,2-diol

4-Hydroxy-3-[2-(4-methoxy-2-sulfophenyl)diazenyl]-6-[methyl[[2-(sulfooxy)ethyl]sulfonyl]amino]-2-naphthalenesulfonic acid

4-Ethyl-3-nitrobenzenesulfonic acid

4-Heptylphenyl 4-[(1-oxohexyl)oxy]benzoate

4-[(4-chlorophenyl)carbamoyloxy]but-2-ynyl-trimethylazanium;iodide

4-amino-5-bromo-1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one

4-dodecyl-4-ethylmorpholin-4-ium

4-[4-[2-[4-[[4-[2-[4,5-Dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]diazenyl]benzoyl]amino]phenyl]diazenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid

4-propyl-1-sulfanylidene-2,6,7-trioxa-1λ5-phosphabicyclo[2.2.2]octane

4-amino-5-ethenyl-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one

4,12-dimethyl-2,8-diazatricyclo[7.3.0.03,7]dodeca-1,3(7),8-triene

4-chloro-7-nitro-1-benzofuran

4-(1-Methylethyl)cyclohexaneacetaldehyde

4-[[(3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]amino]benzoic acid

4-but-3-en-2-ylphenol

4-[5-(trans-4-Heptylcyclohexyl)-2-pyrimidinyl]benzonitrile

4-amino-5-chloro-1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one

4-hydroxy-2-methylidenebutanoic acid

4-[(2S)-2-Methylbutyl]phenyl 4-(dodecyloxy)benzoate

4-(oxan-2-yloxy)but-2-enal

4,7,7-Trimethyl-4-(3-methyl-2-buten-1-yl)bicyclo[4.1.0]heptan-3-one

4′-(Undecyloxy)[1,1′-biphenyl]-4-carbonitrile

4-(dimethylamino)-1,5-dimethyl-2-phenylpyrazol-3-one;5-(2-methylpropyl)-5-prop-2-enyl-1,3-diazinane-2,4,6-trione;1,3,7-trimethylpurine-2,6-dione

4-[2-[7-Amino-2-(2-furyl)[1,2,4]triazolo[2,3-a][1,3,5]triazin-5-ylamino]ethyl]phenol

4′-Cyano[1,1′-biphenyl]-4-yl trans-4-ethylcyclohexanecarboxylate

4-[(6-amino-1-methyl-2-phenylquinolin-1-ium-4-yl)amino]-N-[4-[(1-methylpyridin-1-ium-4-yl)amino]phenyl]benzamide

4-[2-(4-methoxyphenyl)ethenyl]phenol

4-prop-2-enyl-5H-acephenanthrylen-4-ol

4-[(4-hydroxy-3-methoxyphenyl)diazenyl]benzenesulfonic acid

4-amino-1-[(3S,4S,5R)-3-hydroxy-5-(hydroxymethyl)-4-methoxyoxolan-2-yl]pyrimidin-2-one

4-[4-(Diethylamino)butoxy]-7H-furo[3,2-g][1]benzopyran-7-one

4-hydroxy-3-[(2-hydroxynaphthalen-1-yl)diazenyl]-N-methylbenzenesulfonamide

4-(1-phenylpropan-2-yl)-1,4,5-oxadiazocane

4-(2-chloroethylamino)-1-methylpyrimidin-2-one;hydrochloride

4-(3-hydroxypropoxymethyl)-9-methoxyfuro[3,2-g]chromen-7-one

4-[3-[3-(acridin-9-ylamino)propyl-methylamino]propoxymethyl]-9-methoxyfuro[3,2-g]chromen-7-one

4-[3-[6-(acridin-9-ylamino)hexyl-ethylamino]propoxymethyl]-9-methoxyfuro[3,2-g]chromen-7-one

4,5,9-trichloro-4,5-dihydropyrene

4-cyclohexyl-1-(4-fluorophenyl)-2,6,7-trioxabicyclo[2.2.2]octane

4-butyl-1-(4-chlorophenyl)-2,6,7-trioxabicyclo[2.2.2]octane

4,5-dihydroacephenanthrylen-4-ol

4-(4-acetylpiperazin-1-yl)-1-(4-fluorophenyl)butan-1-one

4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,13-henicosafluoro-2-iodotridecan-1-ol

4,15,16-trimethoxy-10-methyl-10-azatricyclo[11.4.0.02,7]heptadeca-1(17),2,4,6,13,15-hexaen-5-ol

4-piperidin-1-yl-1-[7-(4-piperidin-1-ylbutanoyl)-9H-fluoren-2-yl]butan-1-one;dihydrochloride

4-[2-(4-Morpholinyl)ethyl]-3,3-diphenyl-2-pyrrolidinone

4-(2-phenylethyl)-1,4,5-oxadiazocane

4-(5,6-dimethyl-1-benzofuran-2-yl)piperidine

4-oxa-12-azapentacyclo[9.8.0.02,8.03,5.013,18]nonadeca-1(19),2(8),9,11,13,15,17-heptaene

4-oxa-19-azapentacyclo[9.8.0.02,8.03,5.013,18]nonadeca-1(19),2(8),9,11,13,15,17-heptaene

4-[3-[4-[2-(acridin-9-ylamino)ethyl]piperazin-1-yl]propoxymethyl]-9-methoxyfuro[3,2-g]chromen-7-one

4-[6-[[3-(1,2-dihydroxyethyl)-3,5,12-trihydroxy-10-methoxy-6,11-dioxo-2,4-dihydro-1H-tetracen-1-yl]oxy]-3-hydroxy-2-methyloxan-4-yl]morpholine-3-carbonitrile

4-bromo-7-(2-chlorophenyl)-13-methyl-3-thia-1,8,11,12-tetrazatricyclo[8.3.0.02,6]trideca-2(6),4,10,12-tetraen-9-one

4-(4-chlorophenyl)cyclohexa-3,5-diene-1,2-diol

4-[(2-amino-3-hydroxy-2-methylpropanoyl)amino]-N-[1-[5-[3,4-dihydroxy-6-methyl-5-(methylamino)oxan-2-yl]oxy-6-methyloxan-2-yl]-2-oxopyrimidin-5-yl]benzamide

4,4′-[[(4-Methylphenyl)sulfonyl]methylene]bis[N,N-dimethylbenzenamine]

4-[(3S,4R)-4-(4-hydroxy-3-iodophenyl)hexan-3-yl]-2-iodophenol