1,2-Ethanediaminium, N,N'-didodecyl-N,N,N',N'-tetramethyl-, dibromide 18464-23-8 94987-62-9 BDED N,N'-Bis(dodecyldimethyl)-1,2-ethane diammonium dibromide N,N'-Bis(dodecyldimethyl)-1,2-ethanediammonium