4-({3,5-bisnitro-2-pyridinyl}amino)-2,1,3-benzoxadiazole

4,5-bisnitro-9-oxo-9H-fluorene-2,7-disulfonic acid

4-(2,6-bisnitro-4-{[5-{3-nitrophenyl}-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl]carbonyl}phenyl)morpholine

4-({3,5-bisnitro-2-pyridinyl}amino)-N-(6-methoxy-4-pyrimidinyl)benzenesulfonamide

4-(4-{2,4-bisnitrophenoxy}benzylidene)-2-(3-methylphenyl)-1,3-oxazol-5(4H)-one

4-[bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl]-2-ethoxyphenyl 4-methylbenzoate

4-[bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl]phenyl 4-nitrobenzoate

4-[bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl]phenyl benzenesulfonate

4-[Bis(2,3-dihydro-5-methyl-3-oxo-1H-pyrazol-4-yl)methyl]phenyl 2,4-dichlorobenzoate

4,4-bis(4-hydroxy-3-nitrophenyl)pentanoic acid

4-({[4,5-bis(4-methoxyphenyl)-1H-imidazol-2-yl]sulfanyl}acetyl)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

4,5-bis[4-(methyloxy)phenyl]-2-[4-(methylsulfanyl)phenyl]-1H-imidazole

4-[bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methyl]phenyl 4-methylbenzenesulfonate

4,6-bisnitro-2-oxo-1,3-benzoxathiol-5-yl methyl carbonate

4-{[3,5-bis(ethoxycarbonyl)-4-methyl-2-thienyl]amino}-4-oxo-2-butenoic acid

4-[bis(5-hydroxy-3-methyl-1H-pyrazol-4-yl)methyl]-2-methoxyphenyl 3-methylbenzoate

4-({4-bromo-3-nitro-1H-pyrazol-1-yl}methyl)-N-(5-chloro-2-pyridinyl)benzamide

4-bromo-N-(3-(2,4-dimethylanilino)-4-oxo-1(4H)-naphthalenylidene)benzenesulfonamide

4-bromo-1-ethyl-N-{5-nitro-2-methylphenyl}-1H-pyrazole-5-carboxamide

4-(3-bromo-4-hydroxy-5-methoxyphenyl)-N-(2-methoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarboxamide

4-(4-bromophenyl)-8-(trifluoromethoxy)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline

4-bromo-1-ethyl-N-(2-fluorophenyl)-1H-pyrazole-3-carboxamide

4-(3-bromo-4-methylanilino)-4-oxobutanoic acid

4-bromo-N'-{[3-(4-ethylphenyl)-1H-pyrazol-4-yl]methylene}benzenesulfonohydrazide

4-[2-(3-bromo-4-methoxybenzoyl)hydrazino]-N-(2,5-dimethylphenyl)-4-oxobutanamide

4-[(5-bromo-2,4-dimethylphenyl)sulfonyl]morpholine

4-bromo-N'-[(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]benzohydrazide

4-(4-bromobenzoyl)-5-(4-fluorophenyl)-3-hydroxy-1-(tetrahydro-2-furanylmethyl)-1,5-dihydro-2H-pyrrol-2-one

4-[(2-bromophenoxy)methyl]-N'-(4-pyridinylmethylene)benzohydrazide

4-[(4-bromophenoxy)methyl]-N-[3-(4-morpholinylmethyl)phenyl]benzamide

4-bromo-1,2,2-trimethylcyclohexanecarboxylic acid

4-bromo-N'-(4-tert-butylcyclohexylidene)benzenesulfonohydrazide

4-{3-[3-bromo-6-(methylamino)-7-oxo-1,3,5-cycloheptatrien-1-yl]-3-oxo-1-propenyl}benzonitrile

4-(4-bromophenyl)-N-[2-chloro-5-(trifluoromethyl)phenyl]-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarboxamide

4-{3-bromo-5-methoxy-4-[(2-methyl-2-propenyl)oxy]benzylidene}-2-(2-thienyl)-1,3-oxazol-5(4H)-one

4-Bromo-2-fluoro-5-(trifluoromethyl)phenylboronic acid

4-(Azidomethyl)-1,2-benzenediamine

4-Benzothiazolecarboxaldehyde

4-[(4-Bromo-1H-pyrazol-1-yl)methyl]benzenamine

4-Benzothiazolol,2-methylamino-(6CI)

4-[2-[4-[2-[4-[Bis(2-hydroxyethyl)amino]phenyl]diazenyl]phenyl]diazenyl]-3-hydroxy-2-naphthalenecarboxylic acid

4-(4-[BIS(4-FLUOROPHENYL)METHYL]PIPERAZIN-1-YLMETHYL)PHENYLAMINE

4,4′-Bis[2-[1-[[(2-methylphenyl)amino]carbonyl]-2-oxopropyl]diazenyl][1,1′-biphenyl]-2,2′-disulfonic acid

4,4′-Bis(MercaptoMethyl)biphenyl

4,5-Difluoro-1,2-benzenedicarbonyl difluoride

4-[[4-(2-BROMOETHOXY)PHENYL]SULFONYL]MORPHOLINE

4-Propyl-1,2-benzenediamine

4-[2-(Cyclopropylamino)-1-hydroxyethyl]-1,2-benzenediol

4-BENZYL-2-((PYRROLIDIN-1-YL)METHYL) MORPHOLINE

4-Benzyloxy-2-(2carbomethoxy)thiophenylaniline

4-(Bromomethyl)-N,N-dimethylbenzenesulfonamide

4,5-BIS(ETHYLTHIO)-1,3-DITHIOLE-2-THIONE

4-(3-Methyl-1-piperazinyl)benzenamine

4-(Diphenylmethyl)-N,N-dimethylbenzenamine

4,4′-(1,3,3-Trimethyl-1-propene-1,3-diyl)bis[phenol]

4-Isocyano-1,2-dimethylbenzene

4-(4-Ethyl-1-piperazinyl)-2-fluorobenzenamine

4-Benzyl-2-chlorophenol

4-BROMO-3-METHOXY-2-NAPHTHOIC ACID

4-BENZYL-3-PENT-4-ENOYL-1,3-OXAZOLIDIN-2-ONE

4-(BENZYLOXY)-2-METHYLPHENOL

4-(1-benzofuran-2-yl)-7,8-dimethyl-2H-chromen-2-one

4′-(Phenylmethoxy)[1,1′-biphenyl]-3-acetic acid

4-(3,5-BIS-TRIFLUOROMETHYL-PHENYL)-1H-IMIDAZOLE

4-bromo-2-chlorophenyl (2,5-dimethylphenoxy)acetate

4,7-Benzofurandione,3-methyl-