N,N'-BIS-(2,4,5-TRICHLORO-PHENYL)-ISOPHTHALAMIDE

N,N'-BIS-(3,4-DICHLORO-PHENYL)-TEREPHTHALAMIDE

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

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

N,N'-BIS(2-HYDROXYETHYL)DITHIOOXAMIDE

N,N'-BIS(2,4-DIMETHYLPHENYL)IMIDOFORMAMIDE

N,N'-BIS(3-CHLORO-4-METHYLPHENYL)TEREPHTHALAMIDE

N,N'-BIS(3-OXIMINO-2-METHYL-2-BUTYL)-1,3-DIAMINOPROPANE

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

N,N'-BIS(2-HYDROXY-ALPHA-METHYL-BENZYLIDENE)ETHYLENE DIAMINE

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

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

N,N'-BIS(4-NITROPHENYL)SULFAMIDE

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

N,N'-BIS(CARBOBENZYLOXY)-L-LYSYLGLYCYLGLYCINE METHYL ESTER