Yamamoto T, Thompson G K, Williams B T. "一种的合成方法" [P]. US Patent, US 11482460 B2, 2018-08-02.
发明人何建平,黄志刚,马晓峰. "Method for the Synthesis of 3-(4-Chloro-5-methyl-1h-pyrazol-1-yl)-2-methyl-2-(methylamino)propanoic acid" [P]. 中国发明专利, 专利号 CN 115275169 B, 授权公告日 2024-10-08.
发明人林芳,杨光,何建平. "A Process for Preparing High-Purity 3-(4-Chloro-5-methyl-1h-pyrazol-1-yl)-2-methyl-2-(methylamino)propanoic acid" [P]. 中国发明专利, 专利号 CN 116592368 B, 授权公告日 2020-03-20.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2021, 1712, (4), 9993-9998.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2010, 926, 8746-8773.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Chloro-5-methyl-1h-pyrazol-1-yl)-2-methyl-2-(methylamino)propanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2018, 773, (2), 903-929.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2017, 868, 8512-8538.