发明人李文辉,王建平,韩伟. "一种羧甲司坦杂质54三氟乙酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 117334256 A, 授权公告日 2025-07-06.
发明人李文辉,郑宇鹏,张德明. "Method for the Synthesis of Carbocisteine Impurity 54 TFA" [P]. 中国发明专利, 专利号 CN 112979028 B, 授权公告日 2019-09-02.
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