68298-82-8 Poly(oxy-1,2-ethanediyl), alpha-(2-(4,5-dihydro-1-(2-hydroxyethyl)-2-(8Z)-8-heptadecenyl-1H-imidazolium-1-yl)ethoxy)-omega-(2-(4,5-dihydro-1-(2-hydroxyethyl)-2-(8Z)-8-heptadecenyl-1H-imidazolium-1-yl)ethyl)-, dichloride