4-(4-NITRO-BENZYL)-1-(2-(2-NITRO-PHENYL)-2-OXO-ETHYL)-PYRIDINIUM, BROMIDE

4-(4,5-DIPHENYL-4H-(1,2,4)TRIAZOL-3-YLSULFANYL)-3-OXO-BUTYRIC ACID ETHYL ESTER

4-(5-(3-CHLORO-4-METHYLPHENYL)-2-FURYL)-2,6-DIMETHYL-1,4-DIHYDRO-3,5-PYRIDINEDICARBONITRILE

4-(5-BROMO-2-HYDROXY-BENZYLIDENE)-1-(3,4-DIMETHYL-PHENYL)-PYRAZOLIDINE-3,5-DIONE

4-(5-Chloro-2-methoxyphenyl)-2-methylthiazole

4-(5-METHYL-1,3-BENZOXAZOL-2-YL)PHENYLAMINE

4-(DIMETHYLAMINO-PH)-6-ME-2-OXO-1,2,3,4-4H-PYRIMIDINE-5-CARBOXYLIC ACID ET ESTER

4-(acetylamino)-3-benzoylbenzamide

4-(Allyloxy)-3,5-dichlorobenzoic acid

4-(Benzyloxy)-2-chloropyrimidine-5-boronic acid pinacol ester

4-(BENZYLOXY)PHENYL N-(2-CHLORO-4-NITROPHENYL)CARBAMATE

4-(BETA-METHYLCINNAMYLIDENE)-2-PHENYL-2-OXAZOLIN-5-ONE

4-(Bromomethyl)-3-(4-methoxyphenyl)-5-methylisoxazole

4-(BUTOXYCARBONYLPHENYL) N-(2,4-DIMETHOXYPHENYL)CARBAMATE

4-(Chloromethyl)-1H-imidazole hydrochloride