发明人杨光,孙丽萍,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115968319 A, 授权公告日 2023-02-09.
发明人唐晓军,冯建国,罗永刚. "Method for the Synthesis of 3-Difluoromethoxy-5-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 109677624 B, 授权公告日 2025-09-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2018, 984, (5), 9383-9387.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2019, 1734, (11), 4366-4381.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 3-Difluoromethoxy-5-nitrobenzoic acid Using HRMS and NMR". Molecules, 2011, 1390, (12), 4522-4551.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 1310, (11), 8586-8610.