发明人李文辉,林芳,钱学锋. "Method for the Synthesis of 7-Bromo-9-fluoro-2-methoxy-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 109390778 B, 授权公告日 2020-07-16.
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