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发明人刘建华,林芳,胡光. "Method for the Synthesis of Ethyl 2-(3-oxo-2,3-dihydro-4H-benzo[b][1,4]thiazin-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 112485559 B, 授权公告日 2019-09-12.
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