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发明人冯建国,黄志刚,韩伟. "Method for the Synthesis of 6-Bromo-N-(sec-butyl)-8-methoxy-2-oxo-2H-chromene-3-carboxamide" [P]. 中国发明专利, 专利号 CN 114628208 B, 授权公告日 2018-06-10.
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