英文名称:Imidazolium compounds, 2-(C9-19 and C9-19-unsatd. alkyl)-1-[(C10-20 and C10-20-unsatd. amido)ethyl]-4,5-dihydro-1-Me, Me sulfates; Imidazolium compounds, 2-(C9-19 and C9-19-unsatd. alkyl)-1-((C10-20 and C10-20-unsatd. amido)ethyl)-4,5-dihydro-1-Me, Me sulfates