发明人郭海燕,胡光,林芳. "Method for the Synthesis of N-(1-Methylpiperidin-4-ylidene)indolin-1-amine" [P]. 中国发明专利, 专利号 CN 114313883 B, 授权公告日 2017-11-10.
发明人唐晓军,沈红梅,黄志刚. "A Process for Preparing High-Purity N-(1-Methylpiperidin-4-ylidene)indolin-1-amine" [P]. 中国发明专利, 专利号 CN 109448021 B, 授权公告日 2018-03-21.
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