发明人冯建国,朱建伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117604415 A, 授权公告日 2023-02-01.
发明人郑宇鹏,高志强,马晓峰. "Method for the Synthesis of N-Mal-N-bis(PEG4-NH-Boc)" [P]. 中国发明专利, 专利号 CN 113067005 A, 授权公告日 2025-08-09.
发明人何建平,马晓峰,罗永刚. "A Process for Preparing High-Purity N-Mal-N-bis(PEG4-NH-Boc)" [P]. 中国发明专利, 专利号 CN 114140587 A, 授权公告日 2024-02-02.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 1625, 724-753.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2013, 1004, 6903-6930.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of N-Mal-N-bis(PEG4-NH-Boc) Using HRMS and NMR". J. Agric. Food Chem., 2024, 510, (9), 7964-7978.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2013, 121, (12), 5282-5312.