发明人张德明,李文辉,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114621445 A, 授权公告日 2024-06-19.
发明人郑宇鹏,赵玉洁,林芳. "Method for the Synthesis of 3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1R,2R)-2-(1-pyrrolidinyl)cyclohexyl]amino]-3-cyclobutene-1,2-dione" [P]. 中国发明专利, 专利号 CN 113274959 A, 授权公告日 2017-08-28.
发明人沈红梅,林芳,李文辉. "A Process for Preparing High-Purity 3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1R,2R)-2-(1-pyrrolidinyl)cyclohexyl]amino]-3-cyclobutene-1,2-dione" [P]. 中国发明专利, 专利号 CN 117599453 B, 授权公告日 2025-01-27.
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