发明人张德明,韩伟,胡光. "Method for the Synthesis of 3-(4-Chloro-3-methyl-1h-pyrazol-1-yl)-2-(methylamino)propanoic acid" [P]. 中国发明专利, 专利号 CN 117055277 A, 授权公告日 2017-09-01.
Johansson L, Jørgensen K, Mueller T C. "A Process for Preparing High-Purity 3-(4-Chloro-3-methyl-1h-pyrazol-1-yl)-2-(methylamino)propanoic acid" [P]. European Patent, EP 3199383 A1, 2018-11-26.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2021, 575, 8318-8324.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 216, (1), 1718-1733.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Chloro-3-methyl-1h-pyrazol-1-yl)-2-(methylamino)propanoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1909, (3), 8243-8251.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2022, 1434, (2), 3980-3995.