发明人李文辉,高志强,钱学锋. "Method for the Synthesis of 2,6-Dichloroquinazolin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 114146235 A, 授权公告日 2022-09-18.
发明人何建平,冯建国,沈红梅. "A Process for Preparing High-Purity 2,6-Dichloroquinazolin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 109488015 B, 授权公告日 2017-11-15.
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