4-OXO-3-PHENYL-2-THIOXO-1-IMIDAZOLIDINEACETIC ACID

4-METHYL-3-(2-NITROETHYL)-2,5-PYRROLEDICARBOXYLIC ACID

4-Methyl-3-(methylthio)-5-(phenoxymethyl)-4H-1,2,4-triazole

4-METHYL-4'-NITROBENZANILIDE

4-Methyl-4-piperidinecarboxamide hydrochloride

4-METHYL-5-PHENYL-2H-PYRAZOLE-3-CARBOXYLIC ACID (4-BROMO-BENZYLIDENE)-HYDRAZIDE

4-Methyl-5-phenyl-4H-1,2,4-triazole-3-thiol

4-PHENYL-4-AZA-TRICYCLO(5.2.1.0(2,6))DEC-8-ENE-3,5-DIONE

4-PHENYL-7-(1-PHENYL-ETHOXY)-CHROMEN-2-ONE

4-PHENYL-PIPERAZINE-1-CARBOXYLIC ACID (4-CHLORO-PHENYL)-AMIDE

4-Phenylisoxazol-5-amine

4-Piperidin-4-ylthiomorpholine dihydrochloride

4-PROPIONYLPHENYL N-(4-METHYLCYCLOHEXYL)CARBAMATE

4-PYRIDINEALDOXIME O-ISOAMYL ETHER

4-PYRIDINECARBOXYLIC 4-(DIMETHYLAMINO)BENZYLIDENEHYDRAZIDE