英文同义词: | 2-Methyl-4-hydroxy-2h-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide;2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, 1,1-dioxide;4-hydroxy-2-methyl-2H-benzo[e][1,2]thiazine-3-carboxylic acid 1,1-dioxide;4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic Acid, 1,1-Dioxide;Piroxicam Impurity 13;4-hydroxy-2-methyl-1,1-dioxo-1,2-benzothiazine-3-carboxylic acid |