发明人林芳,何建平,马晓峰. "Method for the Synthesis of Ethyl 2,2-difluoro-2-(pyridin-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 112222094 B, 授权公告日 2024-07-17.
发明人罗永刚,孙丽萍,何建平. "A Process for Preparing High-Purity Ethyl 2,2-difluoro-2-(pyridin-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 114177334 A, 授权公告日 2022-08-16.
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