发明人罗永刚,何建平,黄志刚. "Method for the Synthesis of Ethyl 2-amino-3-(3,4,5-trimethyl-1h-pyrazol-1-yl)propanoate" [P]. 中国发明专利, 专利号 CN 112816401 B, 授权公告日 2017-09-12.
发明人郭海燕,陈志强,孙丽萍. "A Process for Preparing High-Purity Ethyl 2-amino-3-(3,4,5-trimethyl-1h-pyrazol-1-yl)propanoate" [P]. 中国发明专利, 专利号 CN 115721724 B, 授权公告日 2020-09-16.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2012, 166, 9349-9375.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2017, 715, (5), 2379-2382.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-amino-3-(3,4,5-trimethyl-1h-pyrazol-1-yl)propanoate Using HRMS and NMR". Chromatographia, 2024, 1942, (11), 9135-9142.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2022, 2311, (2), 9037-9059.