4-methoxy-8-[(4-methoxy-6-methyl-6,7-dihydrofuro[2,3-f][1,3]benzodioxol-8-yl)methyl]-6-methyl-6,7-dihydrofuro[2,3-f][1,3]benzodioxole

4-acetyl-5,6-bis(4-chlorophenyl)-2-(2-methoxyethyl)pyridazin-3-one

4-[[5-morpholin-4-yl-1-(4-nitrophenyl)-4,5-dihydrotriazol-4-yl]methyl]morpholine

4,7-phenanthroline-3-carbonitrile

4,7-dimethyl-10-thia-3,5,6,8-tetrazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,7,11(16)-pentaene

4′,5′,6′,7′-Tetrahydro-1,5′-dimethylspiro[piperidine-4,2′(3′aH)-thiazolo[5,4-c]pyridine]

4-(1,4,6,6-tetramethyl-1,4-diazepan-5-yl)morpholine

4-(10,10-dioxo-9H-thioxanthen-9-yl)-5-methyl-2-phenyl-4H-pyrazol-3-one

4-butyl-5-methyl-N'-[2-[(5-methyl-1H-imidazol-4-yl)methylsulfanyl]ethyl]-3-oxo-1H-pyrazole-2-carboximidamide

4-[(4R,5R)-2-methyl-5-morpholin-4-yl-1-phenyl-4,5-dihydroimidazol-4-yl]morpholine

4-methyl-2-[4-(4-methyl-[1,3]oxazolo[4,5-c]quinolin-2-yl)phenyl]-[1,3]oxazolo[4,5-c]quinoline

4-(2-prop-2-enylsulfanyl-1,3-benzothiazol-6-yl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione

4-acetyl-5,6-bis(4-chlorophenyl)-2-[2-(propan-2-ylamino)ethyl]pyridazin-3-one

4-(4-methoxyphenyl)-8-[3-(trifluoromethyl)phenyl]pyrazolo[5,1-c][1,2,4]triazine

4-bromo-2,6-diethyl-8-methyl-[1,3]oxazolo[5,4-f][1,3]benzoxazole

4,5-dimethyl-1-oxo-1-phenyl-2-pyridin-2-yl-1λ5-phosphinin-2-ol

4-methyl-N-(pyridin-2-ylmethyl)pyridin-2-amine

4a-phenyl-1,2,3,4-tetrahydrocarbazole

4-(4-chlorophenyl)-2,2,3,3-tetramethoxycyclobutane-1,1-dicarbonitrile

4-amino-N,N-dimethyl-3-nitrobenzenesulfonamide

4,5-dimethoxy-1,2,3,6-tetrahydropyridazine

4-[(1-methyl-5-nitroimidazol-2-yl)methylsulfanyl]benzonitrile

4-ethyl-5-hydroxy-2,2-dimethylcyclopent-4-ene-1,3-dione

4-methylpent-3-en-1-yn-3-yl trifluoromethanesulfonate

4-ethyl-2H-[1,2,4]triazino[4,5-b]indazol-1-one

4,5-dimethyl-2-sulfanyl-2-sulfanylidene-1,3,2λ5-dioxaphospholane

4,4-bis[4-(dimethylamino)phenyl]-2,3-dihydrophthalazin-1-one

4-(benzylideneamino)-3-phenyl-1H-quinolin-2-one

4-(4-nitrophenyl)-6-prop-1-en-2-yl-1,3,5-triazin-2-amine

4-ethylsulfanyl-2-methyl-5-sulfanylpyridazin-3-one

4-(N-methylanilino)pyrido[1,2-a]pyrimidin-2-one

4-[2-(diethylamino)ethylamino]-4-oxobutanoic acid

4-chloro-N,N-dimethylquinolin-7-amine

4,4-bis(4-methylphenyl)-2-pentylsulfanyl-1H-imidazol-5-one

4-methyl-2-propan-2-yloxy-2H-furan-5-one

4-(1-phenyl-4-pyrrolidin-1-yl-1,5-benzodiazepin-2-yl)morpholine

4-methyl-2,6-dimorpholin-4-ylpyridine-3-carbonitrile

4-(4-fluorophenyl)-3-methyl-1,2,3-benzotriazin-4-ol

4-ethenyl-6-(4-methylphenyl)-1,3,5-triazin-2-amine

4-Isononylphenol

4,7,7-Trimethyl-1-oxaspiro[4.5]dec-3-en-2-one

4-(4,5-dihydro-1H-imidazol-2-yl)heptan-4-ol

4-cyanobut-3-en-2-yl acetate

4,6-diphenyl-1,4-dihydropyrimidin-2-amine

4-methyl-1-oxido-2-phenyltriazol-1-ium

4-(6-methoxy-3-nitro-2H-chromen-2-yl)morpholine

4-(5-nitrofuran-2-yl)-N-pyridin-2-yl-1,3-thiazol-2-amine

4-[(3-bromophenyl)methylidene]-2-methyl-1,3-oxazol-5-one

4-phenylsulfanyl-2H-furan-5-one

4-[2-(2-fluoroethylimino)hydrazinyl]benzonitrile

4-(pyridin-4-yldiazenyl)naphthalen-1-amine

4-(4-methylphenyl)sulfonyl-4-nitro-1,7-diphenylheptane-1,7-dione

4-acetyl-5,6-bis(4-fluorophenyl)-2-(2-hydroxyethyl)pyridazin-3-one

4,5-bis(3-nitroanilino)cyclopent-2-en-1-one

4-nitropyrimidin-2-amine

4H-imidazo[2,1-c][1,4]benzoxazine

4,11-dimethyl-8-oxa-3,10-dithiatricyclo[7.3.0.02,6]dodeca-1(9),2(6),4,11-tetraen-7-one

4-(7-methyl-1,3,4,5,6,10,11-heptazatricyclo[7.3.0.02,6]dodeca-2,4,7,9,11-pentaen-12-yl)benzonitrile

4,5-dimorpholin-4-yl-3,6-bis(morpholin-4-ylmethyl)cyclohexa-3,5-diene-1,2-dione

4-(1,3-benzodithiol-2-yl)-N,N-dimethylaniline

4-anilino-1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one

4-chloro-1-phenoxyisoquinoline

4-amino-2-chloro-5-methoxy-1,6-dimethylindole-3-carbaldehyde

4-(1H-indol-3-ylmethylideneamino)-9-methoxyfuro[3,2-g]chromen-7-one

4-chloro-N-(2,4-dioxo-1H-quinazolin-3-yl)benzamide

4-(2-hydroxyethyl)-2-[3-(trifluoromethyl)phenyl]morpholin-2-ol