N,N'-BIS(2-CHLORO-5-METHYLPHENYL)ISOPHTHALAMIDE

N,N'-BIS(2-HYDROXYBENZYLIDENE)-4-AMINOPHENYL DISULFIDE

N,N'-BIS(3-(TRIFLUOROMETHYL)PHENYL)FORMAMIDINE

N,N'-BIS(4-AMINOPHENYL)-1,3-BIS(AMINOMETHYL)BENZENE DIHYDROCHLORIDE

N,N'-BIS(4-HEPTYLOXYBENZYLIDENE)-1,4-PHENYLENEDIAMINE

N,N'-BIS(4-METHYLPHENYL)UREA

N,N'-Bis(benzyloxycarbonyl)guanidine

N,N'-BIS(CARBOBENZYLOXY)LYSYLPHENYLALANINE METHYL ESTER

N,N'-DI-M-TOLYL-ETHANE-1,2-DIAMINE

N,N'-DI-PYRIDIN-2-YL-BENZENE-1,2-DIAMINE

N,N'-DIVERATRYLIDENEETHYLENEDIAMINE

N,N'-ETHYLENEBIS(BENZENESULFONAMIDE)

N,N'-HEXAMETHYLENEBIS(4-(METHOXYCARBONYL)PHENYLCARBAMATE)

N,N'-METHYLENEBIS(2-METHOXY-4-NITROANILINE)

N,N-BIS(2-ETHYLHEXYL)-4-MORPHOLINO-3-NITROBENZENESULFONAMIDE