N,N'-BIS-(4-FLUORO-PHENYL)-TEREPHTHALAMIDE

N,N'-BIS-(4-PENTYLOXYBENZYLIDENE)-2-CHLORO-1,4-PHENYLENEDIAMINE

N,N'-BIS(1-METHYLHEPTYL)-1,5-NAPHTHALENEDIAMINE

N,N'-BIS(2-ETHOXYPHENYL)DECANEDIAMIDE

N,N'-BIS(2-THENYLIDENE)-1,4-PHENYLENEDIAMINE

N,N'-BIS(3,4-DIMETHOXYBENZYLIDENE)-1,3-PROPANEDIAMINE

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

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

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

N,N'-BIS(CARBOBENZYLOXY)-L-LYSYL-L-GLUTAMIC ACID DIBENZYL ESTER

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

N,N'-DI-O-TOLYL-MALONAMIDE

N,N'-DIPIPERONYLIDENEETHYLENEDIAMINE

N,N'-DODECAMETHYLENEBIS(GLUTARAMIC ACID)

N,N'-Ethylenebisacetamide