5325-20-2
(2H)1,4-苯并噻嗪-3(4H)-酮
→
~90%
918968-14-6
3-chloro-2H-1,4-benzothiazine
137-07-5
2-氨基苯硫醇
83443-01-0
4H-tetrazolo[5,1-c][1,4]benzothiazine