2H-1,2-Benzothiazine-3-carboxylic acid, 3,4-dihydro-4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide 250mg

2H-1,2-Benzothiazine-3-carboxylic acid, 3,4-dihydro-4-hydroxy-2-methyl-, ethyl ester, 1,1-dioxide 250mg