N,N'-BIS(2-PHENYLETHYL)OXAMIDE

N,N'-BIS(3-CHLORO-2-METHYLPHENYL)ISOPHTHALAMIDE

N,N'-BIS(3,4-DICHLOROPHENYL)FORMAMIDINE

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

N,N'-BIS(4-CHLORO-3-NITROPHENYL)FORMAMIDINE

N,N'-BIS(4-FLUOROPHENYL)ISOPHTHALAMIDE

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

N,N'-BIS(CARBOBENZYLOXY)-L-LYSYL-L-TYROSINE METHYL ESTER

N,N'-DECAMETHYLENEBIS(TRIMETHYLAMMONIUM IODIDE)

N,N'-DI(4-THIOMORPHOLINYL)UREA

N,N'-DIBENZYLIDENE-1,4-PHENYLENEDIAMINE

N,N'-DIDECYLOXAMIDE

N,N'-DIISOBUTYL-TEREPHTHALAMIDE

N,N'-TEREPHTHALYLIDENEBIS(4-AMINOSALICYLIC ACID)

N,N'-TEREPHTHALYLIDENEDIANTHRANILIC ACID