N,N'-BIS-(4-CHLORO-2,5-DIMETHOXY-PHENYL)-TEREPHTHALAMIDE

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

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

N,N'-BIS(2,5-DICHLOROPHENYL)TEREPHTHALAMIDE

N,N'-BIS(3-NITROPHENYL)UREA

N,N′-Bis(4-bromophenyl)urea

N,N'-BIS(4-BUTYLPHENYL)FORMAMIDINE

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

N,N'-BIS(4-NITROPHENYL)SULFAMIDE

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

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

N,N′-Di-t-BOC-3-(trifluoromethyl)-1,8-diazaspiro[4.5]decane

N,N'-DIBENZYL-N,N'-DIISOPROPYLMALONAMIDE

N,N'-DICYCLOHEXYLIDENESULFAMIDE

N,N'-DIETHYL-N,N'-DIPHENYLETHYLENEDIAMINE