1-Pyrrolidineethanol, alpha-(((4-methyl-3-thienyl)oxy)methyl)-2,2,5,5-tetramethyl-, hydrochloride 109193-56-8 alpha-(((4-Methyl-3-thienyl)oxy)methyl)-2,2,5,5-tetramethyl-1-pyrrolidineethanol HCl