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