63884-57-1 Benzylamine, N-amino-3-chloro-N-(2-methylaminoethyl)-, dihydrochloride Ethylenediamine, N-amino-N-(m-chlorobenzyl)-N'-methyl-, dihydrochloride Hydrazine, N-(m-chlorobenzyl)-N-(methylaminoethyl)-, dihydrochloride N-(m-Chloro-benzyl)-N-methylaminoethyl hydrazine dihydrochloride USAF LA-20