发明人孙丽萍,韩伟,唐晓军. "一种3,4-二氟-1h-吡咯-2-羧酸的合成方法" [P]. 中国发明专利, 专利号 CN 115421652 A, 授权公告日 2017-01-12.
发明人赵玉洁,王建平,刘建华. "Method for the Synthesis of 3,4-difluoro-1h-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110124360 B, 授权公告日 2025-09-26.
发明人林芳,杨光,沈红梅. "A Process for Preparing High-Purity 3,4-difluoro-1h-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111327128 B, 授权公告日 2019-05-06.
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