N,N'-BIS(4-METHYLBENZYLIDENE)ETHYLENEDIAMINE

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

N,N'-BIS(CARBOBENZYLOXY)LYSYLVALINE METHYL ESTER

N,N'-DI-P-TOSYL-L-CYSTINE

N,N′-Dibenzhydrylthiourea

N,N'-DICARBOBENZYLOXY-L-ORNITHINE

N,N'-DIETHYL-N,N'-DI(O-TOLYL)OXAMIDE

N,N'-TEREPHTHALYLIDENEBIS(2-METHOXY-4-NITROANILINE)

N,N'-TEREPHTHALYLIDENEBIS(NICOTINIC HYDRAZIDE)

N,N-bis[2-(2-ethoxyphenoxy)ethyl]cyclopropanamine hydrochloride

N,2-DIMETHYL-1-NAPHTHAMIDE

N,2,5-Trimethylbenzenesulfonamide

N,N'-(1,1'-BIPHENYL-4,4'-DIYL)BISOCTADECAMIDE

N,N'-(1,4-PHENYLENEDIMETHYLENE)BIS(3-(TRIFLUOROMETHYL)ANILINE)

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