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

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

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

N,N'-BIS(2-HYDROXY-1-NAPHTHYLMETHYLENE)-1,4-PHENYLENEDIAMINE

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

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

N,N′-Bis(4-morpholinylmethyl)urea

N,N'-BIS(ALPHA-CYANO-4-DIMETHYLAMINOBENZYL)ETHYLENEDIAMINE

N,N'-BIS(CARBOBENZYLOXY)-L-LYSYLGLYCINAMIDE

N,N'-DECAMETHYLENEBIS(TRIMETHYLAMMONIUM IODIDE)

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

N,N′-Dibenzhydrylthiourea

N,N'-DIBENZYLOXAMIDE

N,N'-DIDODECYL-OXALAMIDE

N,N'-DIFORMYL-L-CYSTINE