1-(2-Hydroxyethyl)-2-heptadecenyl-2-imidazoline hydrochloride 1H-Imidazole-1-ethanol, 2-(heptadecenyl)-4,5-dihydro-, monohydrochloride 33638-02-7 67785-79-9 EINECS 267-074-6 Heptadec-2-enyl-4,5-dihydro-1H-imidazole-1-ethanol hydrochloride