Schröder R, O'Brien P Q, Thompson G K. "Method for the Synthesis of 4,4-Difluoro-3-(4-fluorophenyl)butanoic acid" [P]. US Patent, US 10987452 B2, 2018-11-05.
发明人郑宇鹏,赵玉洁,郭海燕. "A Process for Preparing High-Purity 4,4-Difluoro-3-(4-fluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 113563849 B, 授权公告日 2020-02-19.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2018, 122, 3627-3650.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 644, (12), 2195-2212.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Difluoro-3-(4-fluorophenyl)butanoic acid Using HRMS and NMR". J. Nat. Prod., 2014, 2000, (6), 9621-9641.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2017, 1164, 3015-3039.