Sigma-Aldrich
N,N'-BIS-(3,4,5-TRIMETHOXYBENZYLIDENE)-ANTHRANILIC ACID HYDRAZIDE
N,N'-BIS-(4-ETHYL-PHENYL)-ISOPHTHALAMIDE
N,N'-BIS[2,2-DICHLORO-1-(TRIPHENYLPHOSPHONIO)VINYL]UREA DIIODIDE
N,N'-BIS(2-METHOXY-5-NITROPHENYL)-1,10-DECANEDIAMIDE
N,N'-bis(2,4-dimethylphenyl)thiourea
N,N'-BIS(3-CHLOROPROPIONYL)ETHYLENEDIAMINE
N,N'-BIS(3,4-DICHLOROPHENYL)FORMAMIDINE
N,N′-Bis(4-bromophenyl)urea
N,N'-BIS(2-HYDROXYBENZYLIDENE)-1,4-PHENYLENEDIAMINE
N,N'-BIS(4-DODECYLOXYBENZYLIDENE)-1,4-PHENYLENEDIAMINE
N,N′-Bis(4-fluorophenyl)thiourea
N,N′-Bis(4,6-dimethyl-2-pyridinyl)thiourea
N,N'-BIS(CARBOBENZYLOXY)-L-LYSYL-L-ISOLEUCINAMIDE
N,N'-BIS(CARBOBENZYLOXY)LYSYLSERINE METHYL ESTER
N,N'-DI-1-NAPHTHYLFORMAMIDINE