5325-20-2
(2H)1,4-苯并噻嗪-3(4H)-酮
+
105-39-5
氯乙酸乙酯
→
~43%
6376-75-6
ethyl 2-(3-oxo-1,4-benzothiazin-4-yl)acetate
105-36-2
溴代乙酸乙酯