| 英文同义词: | 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylic Acid;Ethyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide (Piroxicam Impurity H);4-Hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide;Piroxicam Impurity H;ethyl 4-hydroxy-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide;Ethyl 4-Hydroxy-2H-1,2-benzothiazin;2H-1,2-Benzothiazine-3-carboxylic acid, 4-hydroxy-, ethyl ester, 1,1-dioxide;Ethyl 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide_x000b_(Piroxicam Impurity H) |