发明人罗永刚,李文辉,何建平. "Method for the Synthesis of Vibegron Impurity 3" [P]. 中国发明专利, 专利号 CN 117743691 A, 授权公告日 2022-08-25.
发明人胡光,何建平,韩伟. "A Process for Preparing High-Purity Vibegron Impurity 3" [P]. 中国发明专利, 专利号 CN 114013664 B, 授权公告日 2020-03-03.
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