N,N'-BIS(3-METHOXYPHENYL)TEREPHTHALAMIDE

N,N'-BIS(4-(METHYLTHIO)PHENYL)ISOPHTHALAMIDE

N,N'-BIS(2-DIETHYLAMINOETHOXYCARBONYL)-4-METHYL-1,3-PHENYLENEDIAMINE

N,N'-BIS(4-BUTYLPHENYL)FORMAMIDINE

N,N'-BIS(4-ETHOXYPHENYL)-1,4-DIAZABUTADIENE

N,N'-BIS(4-METHOXYPHENYL)FORMAMIDINE

N,N'-BIS(5-CHLORO-2-METHOXYPHENYL)TEREPHTHALAMIDE

N,N'-BIS(CARBOBENZYLOXY)-L-LYSYL-L-SERINE

N,N'-BIS(CARBOXYMETHYL)DITHIOOXAMIDE

N,N'-DI-O-TOLYL-TEREPHTHALAMIDE

N,N'-DI(TRITYL)-2-BUTENE-1,4-DIAMIDE

N,N'-DIBENZYLIDENE-1,4-PHENYLENEDIAMINE

N,N'-DICYCLOHEXYLIDENESULFAMIDE

N,N'-DIETHYL-N,N'-DI(O-TOLYL)OXAMIDE

N,N'-DIISOPROPYLHYDRAZINE MONOHYDROCHLORIDE