Synonyms: Poly(oxy-1,2-ethanediyl),a-[2-[4,5-dihydro-1-(2-hydroxyethyl)-2-(8-heptadecenyl)-1H-imidazolium-1-yl]ethoxy]-w-[2-[4,5-dihydro-1-(2-hydroxyethyl)-2-(8-heptadecenyl)-1H-imidazolium-1-yl]ethyl]-,dichloride, (Z,Z)-; Poly(oxy-1,2-ethanediyl), a-[2-[4,5-dihydro-1-(2-hydroxyethyl)-2-(8Z)-8-heptadecenyl-1H-imidazolium-1-yl]ethoxy]-w-[2-[4,5-dihydro-1-(2-hydroxyethyl)-2-(8Z)-8-heptadecenyl-1H-imidazolium-1-yl]ethyl]-,dichloride (9CI)