1-(2-((2-Cyanoethyl)(1-oxoicosyl)amino)ethyl)-4,5-dihydro-1-methyl-2-nonadecyl-1H-imidazolium methyl sulphate 1H-Imidazolium, 1-(2-((2-cyanoethyl)(1-oxoeicosyl)amino)ethyl)-4,5-dihydro-1-methyl-2-nonadecyl-, methyl sulfate 67874-10-6 EINECS 267-453-6