发明人钱学锋,赵玉洁,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110733530 A, 授权公告日 2021-03-25.
发明人张德明,朱建伟,郭海燕. "Method for the Synthesis of 4-(Benzyloxy)-2,5-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 108672102 B, 授权公告日 2023-10-22.
发明人郭海燕,钱学锋,高志强. "A Process for Preparing High-Purity 4-(Benzyloxy)-2,5-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 109627383 A, 授权公告日 2025-10-12.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2015, 1191, 1202-1212.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 974, 7920-7947.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Benzyloxy)-2,5-difluorobenzoic acid Using HRMS and NMR". Biomed. Chromatogr., 2016, 488, (4), 7198-7227.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2019, 828, 3696-3710.