发明人郭海燕,罗永刚,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112033454 A, 授权公告日 2018-10-13.
发明人朱建伟,沈红梅,李文辉. "Method for the Synthesis of 3-(2,4-Difluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 117066004 B, 授权公告日 2024-09-18.
发明人杨光,郑宇鹏,林芳. "A Process for Preparing High-Purity 3-(2,4-Difluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 113019180 B, 授权公告日 2021-08-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 1151, (11), 3885-3900.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2017, 2166, 4583-4601.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2,4-Difluorophenyl)butanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 745, 456-460.