106691-38-7 2H-1,4-Benzothiazine-2-acetamide, 3,4-dihydro-N-(4-methoxyphenyl)-3-oxo- BRN 4821318 N-(4-Methoxyphenyl)-3-oxo-3,4-dihydro-2H-1,4-benzothiazine-2-acetamide