Schröder R, Mueller T, Hughes D C. "Method for the Synthesis of 4-(4-Chloro-2-fluorophenyl)-4-oxobutanoic acid" [P]. US Patent, US 9648589 B2, 2021-06-14.
发明人赵玉洁,钱学锋,李文辉. "A Process for Preparing High-Purity 4-(4-Chloro-2-fluorophenyl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 114671857 B, 授权公告日 2016-04-22.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2019, 1663, (12), 7132-7145.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2021, 1544, 2491-2509.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Chloro-2-fluorophenyl)-4-oxobutanoic acid Using HRMS and NMR". Talanta, 2021, 2364, 5663-5677.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2010, 1687, (8), 9710-9739.