发明人李文辉,朱建伟,周伟. "Method for the Synthesis of N-Nitroso Metamizole EP Impurity C" [P]. 中国发明专利, 专利号 CN 110090689 B, 授权公告日 2025-11-06.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of N-亚硝基安乃近EP杂质C in Pharmaceutical Formulations". Chromatographia, 2012, 859, (1), 3521-3534.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of N-亚硝基安乃近EP杂质C as an Impurity". Sci. Total Environ., 2019, 2249, (3), 7009-7030.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of N-Nitroso Metamizole EP Impurity C Using HRMS and NMR". Chemosphere, 2019, 222, (6), 1585-1592.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate N-亚硝基安乃近EP杂质C Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2014, 931, (1), 1521-1528.