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

N,N'-TEREPHTHALYLIDENEBIS(3-BROMOANILINE)

N,N'-TEREPHTHALYLIDENEDI-P-TOLUIDINE

N,N-BIS-(2-BENZOYLETHYL)-METHYLAMINE

N,2-Dimethyl-1-propanamine

N,3-Dimethyl-3-piperidinecarboxamide hydrochloride