1-Piperidineethanol, 2-(2,2-diphenyl-1,3-dioxolan-4-yl)-, alpha-dl-, hydrochloride 4823-54-5 alpha-dl-2,2-Diphenyl-4-((2-hydroxyethyl)-2-piperidino)-1,3-dioxolane hydrochloride alpha-dl-2-(2,2-Diphenyl-1,3-dioxolan-4-yl)-1-piperidineethanol hydrochloride