发明人刘建华,林芳,沈红梅. "Method for the Synthesis of 2-[5-(4-fluorophenyl)-2-oxo-2,3-dihydro-1,3,4-oxadiazol-3-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 109028504 B, 授权公告日 2023-01-06.
发明人郭海燕,刘建华,高志强. "A Process for Preparing High-Purity 2-[5-(4-fluorophenyl)-2-oxo-2,3-dihydro-1,3,4-oxadiazol-3-yl]acetic acid" [P]. 中国发明专利, 专利号 CN 108028838 B, 授权公告日 2023-06-21.
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