发明人唐晓军,朱建伟,周伟. "Method for the Synthesis of Metronidazole EP Impurity G" [P]. 中国发明专利, 专利号 CN 113586798 B, 授权公告日 2015-06-12.
发明人杨光,朱建伟,周伟. "A Process for Preparing High-Purity Metronidazole EP Impurity G" [P]. 中国发明专利, 专利号 CN 117972742 B, 授权公告日 2020-05-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of 甲硝唑EP杂质G in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2022, 2152, (11), 8854-8884.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 甲硝唑EP杂质G as an Impurity". Rapid Commun. Mass Spectrom., 2022, 821, (1), 2522-2528.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Metronidazole EP Impurity G Using HRMS and NMR". Phytochemistry, 2016, 2219, (11), 1505-1522.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 甲硝唑EP杂质G Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 1560, (6), 5721-5730.