10267-74-0 2,2'-Tetramethylenebis(methylimino)diethanol bismethanesulfonate (ester) dihydrochloride Ethanol, 2,2'-tetramethylenebis(methylimino)di-, bismethanesulfonate (ester), dihydrochloride N,N'-Bis(2-mesyloxyethyl)-N,N'-dimethyltetramethylenediamine dihydrochloride