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发明人郭海燕,王建平,何建平. "Method for the Synthesis of 2-Chloro-N-[6-chloro-3-(3-methoxyphenyl)-4-oxo-4H-chromen-2-yl]acetamide" [P]. 中国发明专利, 专利号 CN 115210575 A, 授权公告日 2015-09-11.
发明人何建平,王建平,罗永刚. "A Process for Preparing High-Purity 2-Chloro-N-[6-chloro-3-(3-methoxyphenyl)-4-oxo-4H-chromen-2-yl]acetamide" [P]. 中国发明专利, 专利号 CN 110300597 B, 授权公告日 2023-03-12.
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