N, N'-Bis(4-tolyl)oxamide

N, N'-Bis(5-(1-methyl-2-pyridonyl))-1, 6-hexamethylenedicarboxamide

N, N'-Bis(5-(benzoylamino)-9, 10-dihydro-9, 10-dioxo-1-anthryl)isophthaldiamide

N, N'-Bis(5-(benzoylamino)anthraquinon-1-yl)thiophene-2, 5-dicarboxamide

N, N'-bis(5-acenaphthyl)guanidine

N, N'-Bis(5-benzoyl-1H, -benzimidazol-2-yl)urea

N, N'-Bis(5-bromo-2-hydroxybenzyl)ethylenediamine diacetic acid

N, N'-Bis(5-methyl-2-pyridinyl)thiourea

N, N'-Bis(6-fluoro-4-(3-(1-ethyl-6-hydroxy-3, 4-dimethyl-heteromonocyl-5-ylazo)-phenylamino)- 1, 3, 5-triazine-2-yl)-phenylenediamine, polysulfonate sodium salt

N, N'-Bis(6-methyl-2-pyridinyl)thiourea

N, N'-Bis(9, 10-dihydro-9, 10-dioxo-1-anthryl)isophthaldiamide

N, N'-Bis(9, 10-dihydro-9, 10-dioxo-1-anthryl)terephthaldiamide

N, N'-Bis(9-acridine)-4, 4'-(vinyl-p-phenylene-vinyl)dipyridinium dichloride

N, N'-Bis(9-acridine)-4, 4'-dipyridinium dichloride

N, N'-Bis(9-acridine)-4, 4'-trans-vinylidene-dipyridinium dichloride

N, N'-Bis(9-acridinyl)-4-aza-4-(4-azidobenzoyl)-1, 7-diaminoheptane

N, N'-Bis(benzo(b)(1, 8)napthyridin-5-yl)-1, 12-dodecanediamine

N, N'-Bis(benzyl)-1, 3-diaminopropane

N, N'-Bis(benzyl)ethylenediamine hydrochloride

N, N'-Bis(benzyloxycarbonylIle)-2, 4-diamino-1, 5-diphenyl-3-pentanol