8-bromo-3,5-dihydro-2H-1,5-benzothiazepin-4-one

7-溴-2H-[1,4]-苯并噻嗪-3(4H)-酮

吩噻嗪

ethyl 7-bromo-3-methyl-4H-1,4-benzothiazine-2-carboxylate

ethyl 2-(6-bromo-1,3-benzothiazol-2-yl)acetate