发明人徐明华,周伟,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109993741 A, 授权公告日 2016-05-19.
发明人孙丽萍,林芳,马晓峰. "Method for the Synthesis of Methyl 2-((3-(((dimethylamino)methylene)carbamoyl)piperidin-1-yl)methyl)-3-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 108774544 A, 授权公告日 2018-09-08.
发明人郑宇鹏,林芳,高志强. "A Process for Preparing High-Purity Methyl 2-((3-(((dimethylamino)methylene)carbamoyl)piperidin-1-yl)methyl)-3-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 110627951 A, 授权公告日 2023-11-28.
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