发明人赵玉洁,郑宇鹏,沈红梅. "Method for the Synthesis of Ethyl 4-(2,6-Difluorophenyl)-2-Hydroxy-4-Oxobut-2-Enoate" [P]. 中国发明专利, 专利号 CN 111787280 A, 授权公告日 2022-08-19.
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