1,4-Butanediamine, N,N'-bis(o-chlorobenzyl)-, dihydrochloride 2056-20-4 Benzylamine, N,N'-tetramethylenebis(2-chloro-, dihydrochloride N,N'-Bis(o-chlorobenzyl)tetramethylenediamine dihydrochloride N,N'-Tetramethylenebis(2-chlorobenzylamine) dihydrochloride Tetramethylenediamine, N,N'-bis(o-chlorobenzyl)-, dihydrochloride