发明人林芳,郭海燕,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114593398 A, 授权公告日 2022-04-20.
发明人何建平,徐明华,沈红梅. "Method for the Synthesis of 5-(2,5-Difluorophenyl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 117847219 B, 授权公告日 2020-05-18.
发明人郑宇鹏,徐明华,马晓峰. "A Process for Preparing High-Purity 5-(2,5-Difluorophenyl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 114949630 A, 授权公告日 2017-04-18.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2019, 2406, 5816-5829.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2011, 1104, (2), 4114-4127.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2,5-Difluorophenyl)nicotinic acid Using HRMS and NMR". Food Chem., 2020, 963, (3), 8599-8607.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2010, 189, 6879-6909.