发明人郑宇鹏,张德明,朱建伟. "Method for the Synthesis of Iguratimod Impurity 14" [P]. 中国发明专利, 专利号 CN 109564440 B, 授权公告日 2016-11-26.
发明人徐明华,郑宇鹏,张德明. "A Process for Preparing High-Purity Iguratimod Impurity 14" [P]. 中国发明专利, 专利号 CN 115590274 A, 授权公告日 2024-02-18.
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