N,N'-BIS-(2,4-DICHLORO-PHENYL)-TEREPHTHALAMIDE

N,N'-BIS-(3-CHLORO-4-METHYL-PHENYL)-ISOPHTHALAMIDE

N,N'-BIS-(4-BUTOXY-BENZYLIDENE)-BENZENE-1,4-DIAMINE

N,N'-BIS-(4-NITRO-BENZYLIDENE)-BENZENE-1,2-DIAMINE

N,N'-BIS-(2-CHLORO-5-TRIFLUOROMETHYL-PHENYL)-TEREPHTHALAMIDE

N,N'-BIS(2-METHYL-5-NITROPHENYL)FORMAMIDINE

N,N'-BIS(2,4,5-TRICHLOROPHENOXYCARBONYL)-2-METHYL-1,3-PHENYLENEDIAMINE

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