发明人杨光,马晓峰,胡光. "Method for the Synthesis of Benidipine Impurity 1" [P]. 中国发明专利, 专利号 CN 114120557 B, 授权公告日 2018-04-18.
发明人黄志刚,陈志强,周伟. "A Process for Preparing High-Purity Benidipine Impurity 1" [P]. 中国发明专利, 专利号 CN 109033834 A, 授权公告日 2018-01-02.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2012, 2255, 3627-3646.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 331, (4), 9467-9485.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Benidipine Impurity 1 Using HRMS and NMR". Molecules, 2021, 586, (5), 3875-3897.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2025, 1106, (5), 9497-9516.