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

4-(methylamino)butanal

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

4-(hydroxymethyl)benzenecarboximidamide

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

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

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

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

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

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

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

4-[(benzylamino)-ethoxyphosphoryl]aniline

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

4-Methoxy-2-(phenylmethyl)quinazoline

4-hydroxy-3-nitrosobenzamide

4-O-α-D-Galactopyranuronosyl-α-D-galactopyranuronic acid

4-(2,4-dimethyl-1,3-thiazol-5-yl)pyrimidin-2-amine

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

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

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

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

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

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

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

4-Chlorobenzeneacetic acid hydrazide

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

4-amino-7-(2,3-dihydroxypropyl)-6-methylsulfanylpyrrolo[2,3-d]pyrimidine-5-carboxamide

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

4-amino-1-[(1S)-3-(hydroxymethyl)cyclopent-2-en-1-yl]pyrimidin-2-one

4-amino-7-[(2S)-2,4-dihydroxybutyl]-6-methylsulfanylpyrrolo[2,3-d]pyrimidine-5-carboxamide

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

4-amino-1-[(2R,5S,6R)-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]pyrimidin-2-one

4-(4-methylpiperazin-1-yl)-2-pyridin-2-ylquinoline

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

4,5-diacetyloxynaphthalene-2,7-disulfonic acid

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

4′-Azido-2′-deoxyadenosine

4-[[4-[3-(ethylamino)pyridin-2-yl]piperazin-1-yl]methyl]-2,6-dimethylphenol

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

4-(hexadecanoylamino)-5-hydroxynaphthalene-2,7-disulfonic acid

4-amino-7-(1,3-dihydroxypropan-2-yloxymethyl)-6-methylsulfanylpyrrolo[2,3-d]pyrimidine-5-carboxamide

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

4-piperidin-1-yl-1-[[4-[(4-piperidin-1-ylpiperidin-1-yl)methyl]phenyl]methyl]piperidine

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

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

4-[(7-chloroquinolin-4-yl)amino]-2-[[4-[(6-methoxyquinolin-8-yl)amino]pentylamino]methyl]-6-(pyrrolidin-1-ylmethyl)phenol

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

4-[5-(4-nitrophenoxy)pentoxy]benzenecarboximidamide

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

4-amino-1-[[(2S)-1-hydroxybut-3-en-2-yl]oxymethyl]pyrimidin-2-one

4-oxatetracyclo[4.2.1.02,5.03,7]nonane

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

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

4-[9-(4-hydroxyphenyl)-10,10-diphenylanthracen-9-yl]phenol

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

4-amino-1-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]pyrimidin-2-one

4-Hydroxy-3-(1-piperidinylmethyl)benzaldehyde

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

4-[2-(4-Hydroxyphenyl)ethyl]-2,6-dimethoxyphenol

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

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

4-(1-hydroxynaphthalen-2-yl)-2-oxobut-3-enoic acid

4-acetamido-3-[(2-aminoacetyl)amino]benzoic acid