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发明人李文辉,朱建伟,孙丽萍. "Method for the Synthesis of Ethyl 1-(2-(4-oxo-2-thioxo-1,4-dihydroquinazolin-3(2H)-yl)acetyl)piperidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109484372 B, 授权公告日 2024-10-08.
发明人杨光,钱学锋,马晓峰. "A Process for Preparing High-Purity Ethyl 1-(2-(4-oxo-2-thioxo-1,4-dihydroquinazolin-3(2H)-yl)acetyl)piperidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111738991 A, 授权公告日 2017-04-24.
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