Davis P L, O'Brien P Q, Fischer A B. "一种的合成方法" [P]. US Patent, US 11132164 B2, 2015-08-01.
发明人郑宇鹏,孙丽萍,钱学锋. "Method for the Synthesis of (3Z)-3-[(Dimethylamino)methylidene]-1-(4-nitrophenyl)piperidin-4-one" [P]. 中国发明专利, 专利号 CN 108080360 B, 授权公告日 2018-09-08.
发明人唐晓军,韩伟,马晓峰. "A Process for Preparing High-Purity (3Z)-3-[(Dimethylamino)methylidene]-1-(4-nitrophenyl)piperidin-4-one" [P]. 中国发明专利, 专利号 CN 117692530 A, 授权公告日 2022-01-17.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 1103, 4692-4705.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2024, 847, (2), 3345-3351.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of (3Z)-3-[(Dimethylamino)methylidene]-1-(4-nitrophenyl)piperidin-4-one Using HRMS and NMR". Molecules, 2017, 2007, (5), 611-615.