发明人郭海燕,张德明,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110284983 A, 授权公告日 2025-04-25.
发明人林芳,罗永刚,孙丽萍. "Method for the Synthesis of Ethyl 3-(3,4-difluorophenyl)propanoate" [P]. 中国发明专利, 专利号 CN 109194069 B, 授权公告日 2017-09-16.
Lefèvre J P, Sørensen M, Kowalski A. "A Process for Preparing High-Purity Ethyl 3-(3,4-difluorophenyl)propanoate" [P]. European Patent, EP 3621404 A1, 2018-12-09.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 1470, (11), 4483-4505.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2021, 2141, (9), 8119-8124.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(3,4-difluorophenyl)propanoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 1888, 2943-2956.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2017, 843, 7542-7571.