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

4-(CYCLOHEXANECARBONYL-AMINO)-BENZOIC ACID METHYL ESTER

4-(DIBUTYLAMINO)PHENYL THIOCYANATE HYDROCHLORIDE

4-(N-(CYCLOHEXYL)CARBAMOYL)MORPHOLINE

4-(N-PHENYLCARBAMOYL)MORPHOLINE

4-(P-TOLYL)-1,2,3,6-TETRAHYDROPYRIDINE HYDROCHLORIDE

4-(Dimethylamino)tetrahydro-3-furanyl hydroxy(diphenyl)acetate

4-(DIPROPYLAMINO)BUTYRONITRILE

4-(Ethoxycarbonylmethoxy)-1-hydroxy-2-naphthoic acid

4-ACETAMIDO-2,6-DIFLUORO-4'-NITROAZOBENZENE

4-ACETAMIDOBENZENESULFONANILIDE