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发明人杨光,郑宇鹏,冯建国. "Method for the Synthesis of 1-Ethyl-3-(2,4-difluorophenyl)-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110753027 B, 授权公告日 2024-06-21.
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