4-(2-NITRO-PHENYL)-THIOMORPHOLINE-3,5-DIONE

4-(2-amino-2-carboxyethoxy)-4-oxobutanoic acid

4-(2-THIENYLTHIOFORMYL)-MORPHOLINE

4-(2,3-dichloro-2-methylpropanoyl)morpholine

4-(2-Bromoethyl)pyridine

4-(2-CHLORO-4-METHOXYPHENOXY)-1,3-DIMETHYL-1H-PYRAZOLO(3,4-B)QUINOLINE

4-(2-CHLOROBENZOYL)-MORPHOLINE

4-(2-CHLOROPHENYLAZO)-N,N-DIETHYLANILINE

4-(2-ETHYL-1-BUTENYL)-MORPHOLINE

4-(2-FLUOROPHENYL)-1-(2-(2-NAPHTHYL)-2-OXOETHYL)PYRIMIDIN-1-IUM BROMIDE

4-(2,6-DIBROMOPHENYLAZO)-N,N-DIETHYLANILINE

4-(2,6-DIETHYLPHENYL)-1,1-DIMETHYLSEMICARBAZIDE

4-(2,6-DIMETHYLPHENYL)-1-(2-(METHYLAMINO)BENZOYL)SEMICARBAZIDE

4-(3-((4-NITRO-PHENYLAMINO)-METHYL)-BENZYLAMINO)-PHENOL

4-(3-(2-FLUOROPHENYL)UREIDO)BENZOIC (4-ACETAMIDOBENZYLIDENE)HYDRAZIDE