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

N,N'-BIS(2,3-XYLYL)ISOPHTHALAMIDE

N,N'-BIS(3-CHLORO-4-METHYLPHENYL)TEREPHTHALAMIDE

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

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

N,N'-BIS(4-CHLOROBENZYLIDENE)ETHYLENEDIAMINE

N,N′-Bis(4-fluorophenyl)thiourea

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

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

N,N'-DI-(2,4-XYLYL)ISOPHTHALAMIDE

N,N'-DI(P-TOLYL)FORMAMIDINE

N,N'-DIBENZYLIDENE-9H-CARBAZOLE-3,6-DIAMINE

N,N'-DIDODECYL-OXALAMIDE

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

N,N'-TEREPHTHALYLIDENEBIS(4-ANILINOANILINE)