发明人李文辉,郑宇鹏,沈红梅. "Method for the Synthesis of 2-(Dimethylamino)-1-(5-methylspiro[indoline-3,4'-piperidin]-1-yl)ethanone" [P]. 中国发明专利, 专利号 CN 111220276 B, 授权公告日 2025-07-03.
发明人赵玉洁,唐晓军,李文辉. "A Process for Preparing High-Purity 2-(Dimethylamino)-1-(5-methylspiro[indoline-3,4'-piperidin]-1-yl)ethanone" [P]. 中国发明专利, 专利号 CN 113846849 B, 授权公告日 2024-08-20.
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