1464-33-1 3-Pyridinemethanol, 5-hydroxy-4-(methoxymethyl)-6-methyl-, hydrochloride 3131-27-9 4-Methoxymethyl-5-hydroxy-6-methyl-3-pyridinemethanol hydrochloride 4-Methoxymethylpyridoxine hydrochloride 4-Methoxymethylpyridoxol hydrochloride NSC 23799