1H-Imidazoleethanol, 4,5-dihydro-heptadecyl- 2-(8-Heptadecenyl)-2-imidazoline 53466-91-4 Caswell No. 474C EPA Pesticide Chemical Code 046611 Heptadecyl hydroxyethyl imidazoline Heptadecyl-4,5-dihydro-1H-imidazoleethanol