发明人马晓峰,沈红梅,黄志刚. "一种西尼莫德杂质8的合成方法" [P]. 中国发明专利, 专利号 CN 112898148 A, 授权公告日 2017-04-05.
Nowak P, Lefèvre J P, Jørgensen K. "Method for the Synthesis of Siponimod Impurity 8" [P]. European Patent, EP 3853080 A1, 2021-07-11.
发明人何建平,沈红梅,郑宇鹏. "A Process for Preparing High-Purity Siponimod Impurity 8" [P]. 中国发明专利, 专利号 CN 117927439 B, 授权公告日 2023-11-19.
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