发明人孙丽萍,胡光,沈红梅. "Method for the Synthesis of 2-((2-(2-Oxoimidazolidin-1-yl)ethyl)amino)quinazolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 110775935 B, 授权公告日 2019-05-19.
发明人沈红梅,郭海燕,韩伟. "A Process for Preparing High-Purity 2-((2-(2-Oxoimidazolidin-1-yl)ethyl)amino)quinazolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 111067603 A, 授权公告日 2019-04-27.
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