发明人郑宇鹏,李文辉,钱学锋. "Method for the Synthesis of Cyclobenzaprine Impurity 4" [P]. 中国发明专利, 专利号 CN 111058409 A, 授权公告日 2017-01-11.
Björnsson E, Schröder R, Johansson L. "A Process for Preparing High-Purity Cyclobenzaprine Impurity 4" [P]. European Patent, EP 3408529 A1, 2025-02-17.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of 环苯扎林杂质4 in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 861, 9920-9936.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 环苯扎林杂质4 as an Impurity". Biomed. Chromatogr., 2023, 1962, 2457-2487.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Cyclobenzaprine Impurity 4 Using HRMS and NMR". Chromatographia, 2024, 1813, (2), 8849-8878.