methyl 2-methyl-4-(pyridin-2-ylamino)-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide; Methyl 4-(Pyridin-2-ylamino)-2-methyl-2H-1,2-benzothiazine-2-carboxylate 1,1-Dioxide
methyl 2-methyl-4-(pyridin-2-ylamino)-2H-benzo[e][1,2]thiazine-3-carboxylate 1,1-dioxide; Methyl 4-(Pyridin-2-ylamino)-2-methyl-2H-1,2-benzothiazine-2-carboxylate 1,1-Dioxide