4-(2-CYANOETHYL)-4-(5-METHYL-2-FUROYL)PIMELONITRILE

4-(2-HYDROXY-1-NAPHTHYLMETHYLENEAMINO)BENZOIC ACID

4-(2-Hydroxyethoxy)benzoic acid

4-(2-Methoxy-4-methylphenoxy)piperidine

4-(2-THIENYLMETHYLENEAMINO)BENZOIC ACID

4-(2,3-DIHYDRO-2-THIOXO-3-BENZOXAZOLYLMETHYLAMINO)-SALICYLIC ACID

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

4-(2,4-DICHLORO-PHENYL)-3,4-DIHYDRO-1H-BENZO(H)QUINOLIN-2-ONE

4-(2,4-DIFLUOROPHENYL)-1-(3-NITROBENZOYL)SEMICARBAZIDE

4-(2,4-Dioxoimidazolidin-1-yl)benzoic acid

4-(2,5-DIETHOXY-4-NITROPHENYL)-MORPHOLINE

4-(2,6-DICHLOROPHENYL)-1-PHENYLSEMICARBAZIDE

4-(2,6-DITERT-BUTYL-4-PYRYLIUMYL)-1-METHOXYPYRIDINIUM DITETRAFLUOROBORATE

4-(3-(1-(2-BR-BENZOYLAMINO)-2,2,2-TRICHLORO-ET)-THIOUREIDO)BENZOIC ACID ET ESTER

4-(3-(2,2,2-TRI-CL-1-(2-MEO-BENZOYLAMINO)-ET)-THIOUREIDO)-BENZOIC ACID ME ESTER