发明人沈红梅,郑宇鹏,王建平. "Method for the Synthesis of Methyl 4-(Difluoromethyl)benzoate" [P]. 中国发明专利, 专利号 CN 113279521 A, 授权公告日 2025-08-07.
发明人高志强,徐明华,朱建伟. "A Process for Preparing High-Purity Methyl 4-(Difluoromethyl)benzoate" [P]. 中国发明专利, 专利号 CN 109406076 A, 授权公告日 2019-09-18.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(二氟甲基)苯甲酸甲酯 in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 1675, (4), 196-222.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(二氟甲基)苯甲酸甲酯 as an Impurity". Chromatographia, 2020, 2239, (11), 1928-1958.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-(Difluoromethyl)benzoate Using HRMS and NMR". Biomed. Chromatogr., 2022, 143, (2), 9212-9238.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 4-(二氟甲基)苯甲酸甲酯 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 476, 4728-4744.