发明人何建平,郑宇鹏,林芳. "Method for the Synthesis of Ethyl 4-oxo-2-(pyridin-4-yl)-1,4-dihydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 117907167 A, 授权公告日 2022-12-18.
发明人钱学锋,冯建国,黄志刚. "A Process for Preparing High-Purity Ethyl 4-oxo-2-(pyridin-4-yl)-1,4-dihydropyrimidine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112405306 B, 授权公告日 2017-04-24.
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