N,N'-BIS-(2,5-DIMETHYL-PHENYL)-TEREPHTHALAMIDE

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

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

N,N'-BIS-(2-(PHENYL-HYDRAZONO)-ETHYLIDENE)-BENZENE-1,3-DIAMINE

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

N,N'-BIS(2,4-DINITROPHENYL)ETHYLENEDIAMINE

N,N′-Bis(3-methoxyphenyl)imidoformamide

N,N'-BIS(3,4-XYLYL)ISOPHTHALAMIDE

N,N'-BIS(2-DIETHYLAMINOETHOXYCARBONYL)-1,6-HEXAMETHYLENEDIAMINE

N,N'-BIS(2-HYDROXYETHYL)-TEREPHTHALAMIDE

N,N'-BIS(4-ETHOXYPHENYL)-1,10-DECANEDIAMIDE

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

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

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

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