2H-1,4-Benzothiazine-2-methanol, 3,4-dihydro-4-ethyl-alpha-phenyl-, hydrochloride 2H-1,4-Benzothiazine-2-methanol, 4-ethyl-3,4-dihydro-alpha-phenyl-, hydrochloride 3,4-Dihydro-4-ethyl-alpha-phenyl-2H-1,4-benzothiazine-2-methanol hydrochloride 97713-46-7