3-Hydroxy-5-hydroxymethyl-2-methylpyridine hydrochloride 3-Pyridinemethanol, 5-hydroxy-6-methyl-, hydrochloride 3816-44-2 4-Deoxymethylpyridoxol hydrochloride 5-Hydroxy-6-methyl-3-pyridinemethanol hydrochloride 7442-74-2 alpha-Norpyridoxol hydrochloride