发明人徐明华,钱学锋,郑宇鹏. "Method for the Synthesis of 4-Chloro-2-(pyridin-2-yl)pyrimidine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112896666 B, 授权公告日 2021-02-08.
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