发明人杨光,朱建伟,沈红梅. "Method for the Synthesis of 2-(4-Chloro-5-(difluoromethyl)-2-hydroxypyridin-3-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 114503151 A, 授权公告日 2023-12-19.
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