发明人马晓峰,郭海燕,陈志强. "Method for the Synthesis of 2-(3-Ethylpyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113472722 B, 授权公告日 2022-07-14.
发明人徐明华,林芳,何建平. "A Process for Preparing High-Purity 2-(3-Ethylpyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 108537288 B, 授权公告日 2017-01-17.
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