N,N'-BIS-(3-CHLORO-4-FLUORO-PHENYL)-TEREPHTHALAMIDE

N,N'-BIS-(3,5-DICHLORO-PHENYL)-ISOPHTHALAMIDE

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

N,N'-BIS-(4-METHOXYBENZYL)-ETHYLENEDIAMINE DIHYDROCHLORIDE

N,N'-BIS-TRITYL-OXALAMIDE

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