1,4-Dimethyl-1,4-bis(2-(stearoyloxy)ethyl)piperazindiium S,S'-dimethyl disulphate 65060-28-8 EINECS 265-356-3 Piperazinium, 1,4-dimethyl-1,4-bis(2-((1-oxooctadecyl)oxy)ethyl)-, bis(methyl sulfate)