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

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

N,N'-BIS(CARBOBENZYLOXY)-L-LYSYLGLYCINAMIDE

N,N'-DI-1-NAPHTHYLFORMAMIDINE

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

N,N'-DIBENZYLIDENEETHYLENEDIAMINE

N,N'-DIETHYL-2-BUTYNE-1,4-DIAMINE

N,N'-DIISOPROPYL-N,N'-DIPHENYLTEREPHTHALAMIDE

N,N'-TEREPHTHALYLIDENEBIS(4-BROMO-2-CHLOROANILINE)

N,N',N''-TRIETHYL-N,N',N''-TRI(O-TOLYL)-1,3,5-BENZENETRICARBOXAMIDE

N,N-BIS(2-(N-DODECYLCARBAMOYLOXY)ETHYL)-2-(4-CHLOROPHENOXY)ACETAMIDE

N,2-DIPHENYLGLYCINONITRILE

N,4-diphenyl-1-piperazinecarboxamide

N,N'-(1,4-CYCLOHEXYLENEDIMETHYLENE)-DIMALEAMIC ACID

N,N'-(1,4-PHENYLENEDIMETHYLIDYNE)BIS(2-CHLOROANILINE)