发明人黄志刚,李文辉,沈红梅. "Method for the Synthesis of Diclofenac impurity N2" [P]. 中国发明专利, 专利号 CN 111307696 B, 授权公告日 2021-06-13.
Björnsson E, Kowalski A, Jørgensen K. "A Process for Preparing High-Purity Diclofenac impurity N2" [P]. European Patent, EP 3158080 A1, 2025-06-10.
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