1-(2-((2-Cyanoethyl)(1-oxoicosyl)amino)ethyl)-1-ethyl-4,5-dihydro-2-nonadecyl-1H-imidazolium ethyl sulphate 1H-Imidazolium, 1-(2-((2-cyanoethyl)(1-oxoeicosyl)amino)ethyl)-1-ethyl-4,5-dihydro-2-nonadecyl-, ethyl sulfate 67874-22-0 EINECS 267-459-9