1,7-Heptanediamine, N,N'-bis(o-chlorobenzyl)-, dihydrochloride 2056-22-6 Benzylamine, N,N'-heptamethylenebis(2-chloro-, dihydrochloride HEPTAMETHYLENEDIAMINE, N,N'-BIS(o-CHLOROBENZYL)-, DIHYDROCHLORIDE N,N'-Bis(o-chlorobenzyl)heptamethylenediamine dihydrochloride N,N'-Heptamethylenebis(2-chlorobenzylamine) dihydrochloride