发明人马晓峰,胡光,郑宇鹏. "一种雷诺嗪杂质4的合成方法" [P]. 中国发明专利, 专利号 CN 112115250 A, 授权公告日 2025-08-02.
发明人何建平,钱学锋,罗永刚. "Method for the Synthesis of Ranolazine Impurity 4" [P]. 中国发明专利, 专利号 CN 116334419 A, 授权公告日 2022-03-07.
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