发明人黄志刚,杨光,王建平. "Method for the Synthesis of 4-[3-(4-Methylpiperidin-1-yl)-2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl]benzoic acid" [P]. 中国发明专利, 专利号 CN 117893991 A, 授权公告日 2023-08-08.
发明人杨光,林芳,黄志刚. "A Process for Preparing High-Purity 4-[3-(4-Methylpiperidin-1-yl)-2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl]benzoic acid" [P]. 中国发明专利, 专利号 CN 117863189 B, 授权公告日 2022-04-19.
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