英文名称:Imidazolium compounds, 2-(C15 and C17-unsatd. alkyl)-1-[2-(C16 and C18-unsatd. amido)ethyl]-1-ethyl-4,5-dihydro, Et sulfates; Imidazolium compounds, 2-(C15 and C17-unsatd. alkyl)-1-(2-(C16 and C18-unsatd. amido)ethyl)-1-ethyl-4,5-dihydro, Et sulfates; Imidazolium compounds, 2-(C15 and C17-unsatd. alkyl)-1-(2-(C16 andC18-unsatd. amido)ethyl)-1-ethyl-4,5-dihydro, Et sulfates