Related substance A


4-Hydroxy-2-methyl-N-(pyridin-2-yl)-2H-thieno[2,3-e][1,2]thiazine-3-carboxamide 1,1-dioxide

Related substance B


Pyridin-2-amine

Related substance C


Methyl 6-chloro-4-hydroxy-2H-thieno[2,3-e][1,2]thiazine-3-carboxylate 1,1-dioxide

Related substance D


Methyl 6-chloro-4-hydroxy-2-methyl-2H-thieno[2,3-e][1,2]thiazine-3-carboxylate 1,1-dioxide