发明人林芳,高志强,张德明. "Method for the Synthesis of Methyl 2-oxo-2-(pyridin-4-ylamino)acetate" [P]. 中国发明专利, 专利号 CN 110648180 A, 授权公告日 2021-12-25.
发明人韩伟,马晓峰,刘建华. "A Process for Preparing High-Purity Methyl 2-oxo-2-(pyridin-4-ylamino)acetate" [P]. 中国发明专利, 专利号 CN 112223573 A, 授权公告日 2016-02-16.
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