发明人王建平,张德明,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109333530 A, 授权公告日 2020-03-20.
发明人周伟,罗永刚,赵玉洁. "Method for the Synthesis of 1-Ethyl-4-(2-ethyl-6-hydroxypyrimidin-4-yl)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 113622035 B, 授权公告日 2017-02-12.
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