4-(4-CHLORO-3-(TRIFLUOROMETHYL)ANILINO)-4-OXO-2-BUTENOIC ACID

4-(4-(DIMETHYLAMINO)PHENYL-1,3-DITHIOLE-2-THIONE

4-(4-Acetamidophenyl)-4-oxobutanoic acid

4-(4-aminobenzyl)-2-methylphenylamine

4-(4-BENZHYDRYL-PIPERAZIN-1-YL)-3-NITRO-1-PHENYL-1H-QUINOLIN-2-ONE

4-(4-Biphenyl)-2-(4-pyridyl)-thiazole

4-(4-BR-PH)-2,6-DIMETHYL-1,4-2H-PYRIDINE-3,5-DICARBOXYLIC ACID DIMETHYL ESTER

4-(4-BROMO-BENZYLIDENE-HYDRAZINOCARBONYL)-1-METHYL-PYRIDINIUM, IODIDE

4-(4-Bromophenyl)-1-(2,4-difluorophenyl)-1H-pyrazol-5-amine

4-(4-Bromophenyl)-2-(4-methoxyphenyl)thiazole-5-carboxylic acid

4-(4-BROMOPHENYLAZO)-N,N-DIMETHYLANILINE

4-(4-FLUOROPHENYL)-1-(2-PHENYLACETYL)SEMICARBAZIDE

4-(4-Fluorophenyl)-1,2,3,6-tetrahydropyridine hydrochloride

4-(4-BUTOXYBENZOYL)-5-(4-ETHYLPHENYL)-3-HYDROXY-1-(5-METHYL-1,3,4-THIADIAZOL-2-YL)-1,5-DIHYDRO-2H-PYRROL-2-ONE

4-(4-CHLORO-2-METHOXYPHENYLAZO)MORPHOLINE