Fischer A B, Klinger H, Schröder R. "一种2-(3,5-二氟-4-硝基苯基)乙酸的合成方法" [P]. US Patent, US 10034829 B2, 2018-04-18.
Björnsson E, Sørensen M, Lefèvre J P. "Method for the Synthesis of 2-(3,5-Difluoro-4-nitrophenyl)acetic acid" [P]. European Patent, EP 3217681 A1, 2017-02-20.
发明人徐明华,沈红梅,黄志刚. "A Process for Preparing High-Purity 2-(3,5-Difluoro-4-nitrophenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 114374650 A, 授权公告日 2022-06-14.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(3,5-二氟-4-硝基苯基)乙酸 in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 2164, (10), 2458-2464.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(3,5-二氟-4-硝基苯基)乙酸 as an Impurity". Anal. Chim. Acta, 2016, 2374, (6), 414-431.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,5-Difluoro-4-nitrophenyl)acetic acid Using HRMS and NMR". J. Sep. Sci., 2015, 1027, (2), 1228-1246.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 2-(3,5-二氟-4-硝基苯基)乙酸 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2017, 1511, 8714-8738.