发明人孙丽萍,郑宇鹏,王建平. "Method for the Synthesis of 5-Chloro-3-Ethyl-N-[[(2S,4S)-1-Ethyl-4-Fluoropyrrolidin-2-Yl]Methyl]-2-Hydroxy-6-Methoxybenzamide" [P]. 中国发明专利, 专利号 CN 112979487 B, 授权公告日 2016-08-03.
发明人周伟,林芳,沈红梅. "A Process for Preparing High-Purity 5-Chloro-3-Ethyl-N-[[(2S,4S)-1-Ethyl-4-Fluoropyrrolidin-2-Yl]Methyl]-2-Hydroxy-6-Methoxybenzamide" [P]. 中国发明专利, 专利号 CN 111540745 B, 授权公告日 2022-02-14.
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". J. Nat. Prod., 2012, 1112, (11), 169-172.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 2451, (10), 562-571.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-3-Ethyl-N-[[(2S,4S)-1-Ethyl-4-Fluoropyrrolidin-2-Yl]Methyl]-2-Hydroxy-6-Methoxybenzamide Using HRMS and NMR". Chemosphere, 2020, 121, 6782-6803.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 1068, 4838-4847.