1,4-Dimethyl-1,4-bis(2-(palmitoyloxy)ethyl)piperazindiium S,S'-dimethyl disulphate 64346-20-9 EINECS 264-792-1 Piperazinium, 1,4-dimethyl-1,4-bis(2-((1-oxohexadecyl)oxy)ethyl)-, bis(methyl sulfate)