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

4-[(1S,3aR,4S,6aR)-4-(1,3-Benzodioxol-5-yl)tetrahydro-1H,3H-furo[3,4-c]furan-1-yl]-2-methoxyphenyl β-D-glucopyranoside

4-amino-1-(7-hydroxy-2,5-dioxabicyclo[2.2.1]heptan-3-yl)pyrimidin-2-one

4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]pyrimidin-2-one

4,5-bis(4-methoxyphenyl)-1,3-diphenylbicyclo[3.1.0]hex-3-en-2-one

4-oxo-1,2,5-thiadiazole-3-carboxylic acid

4-[3-(4-hydroxyphenyl)-1,3-dimethylcyclobutyl]phenol

4,5-bis(4-bromophenyl)-1,3-diphenylbicyclo[3.1.0]hex-3-en-2-one

4,4-dimethyl-4-azoniatricyclo[5.2.1.02,6]dec-8-ene

4-[bis(prop-2-enyl)amino]-2-methoxyoxan-3-ol

4-methyl-5-[[(2S)-2-methyl-1,4-diazepan-1-yl]sulfonyl]isoquinoline

4-Methoxy-2-(phenylmethyl)quinazoline

4-acetamido-3-(diaminomethylideneamino)benzoic acid

4,6,7,8-Tetramethoxy-3-dibenzofuranol

4,5,5′-Trihydroxy[1,2′-binaphthalene]-1′,4′-dione

4,10,15-triazapentacyclo[12.8.0.03,12.05,10.016,21]docosa-1(14),2,4,6,8,12,16,18,20-nonaene-11,22-dione

4-(hydroxymethyl)benzenecarboximidamide

4-[6-[2-(4-hydroxyphenyl)-3H-benzimidazol-5-yl]-1H-benzimidazol-2-yl]phenol

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

4-amino-1-[2,3-bis(hydroxymethyl)cyclobutyl]pyrimidin-2-one

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

4-amino-7-(2,3-dihydroxypropyl)pyrrolo[2,3-d]pyrimidine-5-carbonitrile

4-amino-7-(2,3-dihydroxypropyl)pyrrolo[2,3-d]pyrimidine-5-carboxamide

4-[[(1R,2S,4aS,8aS)-1,2,4a,5-tetramethyl-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]methyl]-3,5-dihydroxycyclohexa-3,5-diene-1,2-dione

4-amino-1-[(1R,3R,5R)-2,6-dioxabicyclo[3.2.0]heptan-3-yl]pyrimidin-2-one

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

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

4-(1-benzothiophen-2-yl)-2-[2-(4-methylpiperazin-1-yl)ethylsulfanyl]quinazoline

4-(2-pyridin-2-ylquinolin-4-yl)thiomorpholine

4-amino-1-(2-hydroxyethoxymethyl)-6-phenylsulfanylpyrimidin-2-one

4-[3-(2-hydroxyethoxymethyl)-5-methyl-2,6-dioxopyrimidin-4-yl]sulfanylbenzonitrile

4-amino-1-[(6R,8R,9R)-4-amino-9-[tert-butyl(dimethyl)silyl]oxy-6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2,2-dioxo-1,7-dioxa-2λ6-thiaspiro[4.4]non-3-en-8-yl]-5-methylpyrimidin-2-one

4-amino-6-methyl-3-phenyl-1H-pyridin-2-one

4-amino-1-[3,3-bis(hydroxymethyl)cyclobutyl]pyrimidin-2-one

4-(dimethylamino)-5-methoxynaphthalene-2,7-disulfonic acid

4-(4-methylpiperazin-1-yl)-2-phenylquinazoline

4-hydroxy-5-[[10-[(8-hydroxy-3,6-disulfonaphthalen-1-yl)amino]-10-oxodecanoyl]amino]naphthalene-2,7-disulfonic acid

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

4-(β-D-Glucopyranosyloxy)-α-hydroxybenzeneacetonitrile

4,5-dimethoxy-9-azoniatetracyclo[7.6.1.02,7.012,16]hexadeca-1(15),2,4,6,8,12(16),13-heptaene

4-amino-1-[(2R,4S,5S)-4-azido-5-(hydroxymethyl)oxolan-2-yl]-5-fluoropyrimidin-2-one

4-acetamido-3-aminobenzoic acid

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

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

4,5-di(hexadecanoyloxy)naphthalene-2,7-disulfonic acid

4-amino-N-(3,5-difluorophenyl)benzenesulfonamide

4-(methylamino)butanal

4-(18F)fluoranyl-N-[2-[4-(2-methoxyphenyl)piperazin-1-yl]ethyl]-N-pyridin-2-ylcyclohexane-1-carboxamide

4-(nonylamino)-4-oxobutanoic acid

4-N-(3-phenylpropyl)benzene-1,4-diamine

4-amino-2-[2-(diethylamino)ethyl]isoindole-1,3-dione

4-methyl-2-(prop-2-enylamino)benzo[e][1,3]benzothiazol-5-ol

4,5-bis[4-(dimethylamino)phenyl]-1,3-diphenylbicyclo[3.1.0]hex-3-en-2-one

4-methoxy-1-methyl-2-oxopyridine-3-carboxylic acid

4-N,4-N-diethyl-2,5-dimethylbenzene-1,4-diamine

4-N-(4-methoxyphenyl)pyrimidine-2,4-diamine

4-(2-amino-5-hydroxyphenyl)-2,4-dioxobutanoic acid

4-(2-amino-3-hydroxyphenyl)-2,4-dioxobutanoic acid

4-hydroxy-3-(morpholin-4-ylmethyl)benzaldehyde

4-(4,5-diphenyl-2,6-dithiatricyclo[5.4.0.03,8]undec-4-en-7-yl)morpholine

4-amino-7-(2-hydroxyethoxymethyl)pyrrolo[2,3-d]pyrimidine-5-carbonitrile

4-amino-1-[(2R,6S)-6-(hydroxymethyl)oxan-2-yl]pyrimidin-2-one

4,6-diamino-5-hydroxynaphthalene-1,3-disulfonic acid

4-(4,6-diamino-2,2-dimethyl-1,3,5-triazin-1-yl)phenol

4-amino-N-naphthalen-2-ylbenzenesulfonamide

4,4-Dimethyl-5α-cholesta-8,14,24-trien-3β-ol