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发明人冯建国,朱建伟,李文辉. "A Process for Preparing High-Purity 2-(2-Fluorobenzamido)-1,3-oxazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109728177 B, 授权公告日 2021-03-23.
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