2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-phenyl-, 1,1-dioxide 2H-1,2-Benzothiazine-3-carboxanilide, 4-hydroxy-2-methyl-, 1,1-dioxide 34258-79-2 4-Hydroxy-2-methyl-N-phenyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide BRN 0626598 CP 14304 W 7477 W7477