1-Methyl-1,4-bis(2-((1-oxooctadecyl)oxy)ethyl)piperazinium methyl sulphate 65060-32-4 EINECS 265-358-4 Piperazinium, 1-methyl-1,4-bis(2-((1-oxooctadecyl)oxy)ethyl)-, methyl sulfate Piperazinium, 1-methyl-1,4-bis(2-(stearoyloxy)ethyl)-, methyl sulfate