发明人孙丽萍,冯建国,沈红梅. "Method for the Synthesis of 2-(4-Hydroxy-6-(methoxycarbonyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116024745 A, 授权公告日 2022-02-11.
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