Roberts E F, Johnson M A, Anderson J P. "一种的合成方法" [P]. US Patent, US 11141014 B2, 2024-11-10.
Patel M V, Williams B T, Roberts E F. "Method for the Synthesis of 2-(3,4-Difluorophenyl)-3-methylbutanoic acid" [P]. US Patent, US 9011408 B2, 2024-09-02.
发明人胡光,钱学锋,朱建伟. "A Process for Preparing High-Purity 2-(3,4-Difluorophenyl)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 108428314 B, 授权公告日 2015-02-03.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2020, 421, (9), 7397-7420.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 2213, (2), 7751-7768.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,4-Difluorophenyl)-3-methylbutanoic acid Using HRMS and NMR". J. Nat. Prod., 2014, 1305, (3), 6445-6464.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2024, 2116, 8258-8279.