N,N'-BIS(2-HYDROXY-5-METHYLPHENYL)-1,4-DIAZABUTADIENE

N,N'-BIS(3-(TRIFLUOROMETHYL)PHENYL)-1,10-DECANEDIAMIDE

N,N'-BIS(4-ACETAMIDOPHENOXYCARBONYL)-2,4-TOLUENEDIAMINE

N,N'-BIS(4-FLUOROPHENYL)OXAMIDE

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

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

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

N,N'-BIS(PIPERONYLIDENE)HYDRAZINE

N,N'-DI-P-TOLYL-TEREPHTHALAMIDE

N,N'-DIVANILLYLIDENEETHYLENEDIAMINE

N,N'-ETHYLENEBIS(4-CHLOROBENZENESULFONAMIDE)

N,N'-HEXAMETHYLENEBIS(2-METHYLCYCLOHEXYL CARBAMATE)

N,N'-HEXAMETHYLENEBIS(PROPYL CARBAMATE)

N,N-Bis(2-ethoxyethyl)amine

N,N-BIS(2-HYDROXYETHYL)TRITYLAMINE