发明人郭海燕,韩伟,郑宇鹏. "Method for the Synthesis of Methyl 3-methyl-6-oxo-1,6-dihydropyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117018911 A, 授权公告日 2023-05-27.
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