发明人孙丽萍,赵玉洁,刘建华. "Method for the Synthesis of 7-fluoro-3-methyl-2-oxo-1,3-benzoxazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116412156 B, 授权公告日 2016-01-04.
发明人杨光,王建平,林芳. "A Process for Preparing High-Purity 7-fluoro-3-methyl-2-oxo-1,3-benzoxazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112779715 A, 授权公告日 2022-06-11.
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