Johnson M A, Davis P L, Stevens L M. "一种的合成方法" [P]. US Patent, US 9664455 B2, 2024-12-09.
发明人冯建国,黄志刚,张德明. "Method for the Synthesis of Nitrazepam Impurity 2" [P]. 中国发明专利, 专利号 CN 113595392 A, 授权公告日 2017-12-01.
发明人赵玉洁,高志强,朱建伟. "A Process for Preparing High-Purity Nitrazepam Impurity 2" [P]. 中国发明专利, 专利号 CN 113259914 A, 授权公告日 2015-12-24.
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". Food Chem., 2023, 2205, (1), 2146-2160.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2012, 938, (10), 1022-1038.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Nitrazepam Impurity 2 Using HRMS and NMR". Chemosphere, 2025, 1511, (4), 212-223.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 1971, (9), 457-485.