英文别名4-HYDROXY-2-METHYL-2H-1,2-THIENOTHIAZINE-3-CARBOXYLIC ACID METHYL ESTER 1,1-DIOXIDE; 3-[hydroxy(methoxy)methylidene]-2-methyl-1,1-dioxo-4-thieno[2,3-e]thiazinone; Tenoxicam EP Impurity B; 4-HYDROXY-2-METHYL-2H-THIENO[2,3-E][1,2]THIAZINE-3-CARBOXYLIC ACID METHYL ESTER 1,1-DIOXIDE; METHYL4-HYDROXY-2-METHYL-1H-THIENO[2,3-E][1,2]THIAZINE-3-CARBOXYLATE-1,1-DIOXIDE; Methyl 2-methyl-4-hydroxy-2H-thieno[2,3-e]-1,2-thiazine-3-carboxylate-1,1-dioxid; 2H-Thieno[2,3-e]-1,2-thiazine-3-carboxylic acid, 4-hydroxy-2-methyl-, methyl ester, 1,1-dioxide 
