发明人赵玉洁,王建平,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109357624 A, 授权公告日 2021-05-06.
发明人周伟,孙丽萍,钱学锋. "Method for the Synthesis of 1-(2,6-Difluorophenyl)-3-(2-(1-methyl-1H-pyrrol-2-yl)-2-(pyrrolidin-1-yl)ethyl)urea" [P]. 中国发明专利, 专利号 CN 114493648 A, 授权公告日 2019-09-02.
发明人黄志刚,赵玉洁,孙丽萍. "A Process for Preparing High-Purity 1-(2,6-Difluorophenyl)-3-(2-(1-methyl-1H-pyrrol-2-yl)-2-(pyrrolidin-1-yl)ethyl)urea" [P]. 中国发明专利, 专利号 CN 108250201 B, 授权公告日 2020-07-20.
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