发明人林芳,唐晓军,张德明. "Method for the Synthesis of Cyproheptadine Impurity 2" [P]. 中国发明专利, 专利号 CN 117732630 B, 授权公告日 2023-08-12.
发明人郑宇鹏,沈红梅,孙丽萍. "A Process for Preparing High-Purity Cyproheptadine Impurity 2" [P]. 中国发明专利, 专利号 CN 114420713 B, 授权公告日 2021-10-02.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 赛庚啶杂质2 in Pharmaceutical Formulations". Environ. Sci. Technol., 2012, 1400, (2), 5071-5084.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 赛庚啶杂质2 as an Impurity". Sci. Total Environ., 2022, 2144, (6), 1216-1230.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Cyproheptadine Impurity 2 Using HRMS and NMR". Anal. Chem., 2020, 713, 8135-8156.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate 赛庚啶杂质2 Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 1706, (9), 7605-7628.