发明人韩伟,刘建华,陈志强. "Method for the Synthesis of ethyl 4-oxo-6,7-dihydro-5H-pyrazolo[1,5-a]pyridine-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116714754 B, 授权公告日 2017-07-14.
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". Sci. Total Environ., 2011, 1794, 6792-6813.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 2354, (6), 1014-1038.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 4-oxo-6,7-dihydro-5H-pyrazolo[1,5-a]pyridine-5-carboxylate Using HRMS and NMR". Chromatographia, 2019, 1261, (3), 7831-7854.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2022, 1711, (6), 9316-9343.