1-Pyrrolidineethanol, alpha-(((2-methyl-3-thienyl)oxy)methyl)-2,2,5,5-tetramethyl-, hydrochloride 109193-54-6 alpha-(((2-Methyl-3-thienyl)oxy)methyl)-2,2,5,5-tetramethyl-1-pyrrolidineethanol HCl