发明人李文辉,罗永刚,徐明华. "Method for the Synthesis of 3-[2-(diethylamino)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one" [P]. 中国发明专利, 专利号 CN 111679226 A, 授权公告日 2021-02-18.
发明人沈红梅,王建平,冯建国. "A Process for Preparing High-Purity 3-[2-(diethylamino)ethyl]-2-sulfanyl-3,4-dihydroquinazolin-4-one" [P]. 中国发明专利, 专利号 CN 110010550 B, 授权公告日 2018-07-12.
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