Schröder R, Yamamoto T, Williams B T. "一种的合成方法" [P]. US Patent, US 10306191 B2, 2022-05-02.
发明人朱建伟,马晓峰,唐晓军. "Method for the Synthesis of 2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 108173082 A, 授权公告日 2025-05-18.
O'Brien P Q, Klinger H, Lee S K. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-acetic acid" [P]. US Patent, US 9969282 B2, 2025-09-08.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2022, 1545, (3), 2206-2218.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2020, 996, (6), 1159-1168.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-6-acetic acid Using HRMS and NMR". J. Chromatogr. A, 2014, 82, 3569-3587.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2021, 347, (6), 1701-1727.