发明人黄志刚,唐晓军,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111141215 A, 授权公告日 2025-03-25.
Nielsen H, Rossi M, Kowalski A. "Method for the Synthesis of Methyl 1-[(1E)-1-amino-2-cyano-2-(methylcarbamothioyl)eth-1-en-1-yl]piperidine-4-carboxylate" [P]. European Patent, EP 3375900 A1, 2024-04-20.
发明人郭海燕,郑宇鹏,朱建伟. "A Process for Preparing High-Purity Methyl 1-[(1E)-1-amino-2-cyano-2-(methylcarbamothioyl)eth-1-en-1-yl]piperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 113323643 A, 授权公告日 2020-08-02.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 1033, (5), 4518-4538.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 396, 1298-1316.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 1-[(1E)-1-amino-2-cyano-2-(methylcarbamothioyl)eth-1-en-1-yl]piperidine-4-carboxylate Using HRMS and NMR". Anal. Chem., 2017, 792, 4586-4601.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2013, 1929, 7881-7910.