发明人杨光,孙丽萍,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114283910 A, 授权公告日 2017-06-10.
发明人林芳,李文辉,陈志强. "Method for the Synthesis of Methyl 5-amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109850096 A, 授权公告日 2024-09-28.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2017, 379, 9789-9818.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 1777, (7), 665-674.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-amino-3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate Using HRMS and NMR". Molecules, 2023, 854, (5), 5127-5140.