发明人韩伟,刘建华,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109303324 A, 授权公告日 2021-06-02.
发明人张德明,马晓峰,李文辉. "Method for the Synthesis of 4-Chloro-3,5-difluorobenzoic Acid" [P]. 中国发明专利, 专利号 CN 117065645 B, 授权公告日 2020-05-10.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2024, 1334, (1), 4503-4519.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2023, 2373, (3), 3879-3900.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-3,5-difluorobenzoic Acid Using HRMS and NMR". Chromatographia, 2015, 828, (2), 6856-6868.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2025, 2076, (2), 4574-4582.