发明人孙丽萍,沈红梅,高志强. "一种N/A的合成方法" [P]. 中国发明专利, 专利号 CN 109098865 A, 授权公告日 2015-12-20.
发明人高志强,李文辉,周伟. "Method for the Synthesis of 2-(3-Chloro-2-fluorophenyl)cyclopropanecarboxylic acid" [P]. 中国发明专利, 专利号 CN 115801856 B, 授权公告日 2017-09-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 1985, (8), 7128-7157.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". J. Pharm. Biomed. Anal., 2010, 2165, (5), 378-394.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-Chloro-2-fluorophenyl)cyclopropanecarboxylic acid Using HRMS and NMR". Phytochemistry, 2019, 1815, (9), 4378-4394.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate N/A Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2018, 2063, 3057-3068.