1,4-Butanediamine, N,N'-bis(2-chloroethyl)-N,N'-bis(phenylmethyl)-, dihydrochloride 6952-18-7 Benzylamine, N,N'-tetramethylenebis[N-(2-chloroethyl)-, dihydrochloride N,N'-Bis(2-chloroethyl)-1,4-dibenzylamino-butane dihydrochloride N,N'-Tetramethylenebis[N-(2-chloroethyl)benzylamine] dihydrochloride NSC63029