发明人周伟,李文辉,钱学锋. "Method for the Synthesis of Ethyl 3-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112056398 A, 授权公告日 2016-07-14.
发明人何建平,郭海燕,钱学锋. "A Process for Preparing High-Purity Ethyl 3-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111145785 B, 授权公告日 2024-04-25.
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