发明人赵玉洁,徐明华,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109084805 A, 授权公告日 2022-03-01.
发明人何建平,冯建国,钱学锋. "Method for the Synthesis of tert-Butyl 3-oxo-2-phenyl-1,2,3,4,5,7-hexahydro-6H-pyrazolo[3,4-c]pyridine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 114651831 B, 授权公告日 2023-08-17.
发明人杨光,罗永刚,钱学锋. "A Process for Preparing High-Purity tert-Butyl 3-oxo-2-phenyl-1,2,3,4,5,7-hexahydro-6H-pyrazolo[3,4-c]pyridine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108238207 B, 授权公告日 2023-05-21.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2011, 809, (6), 1766-1796.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 1114, (8), 4015-4043.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 3-oxo-2-phenyl-1,2,3,4,5,7-hexahydro-6H-pyrazolo[3,4-c]pyridine-6-carboxylate Using HRMS and NMR". Chromatographia, 2021, 311, 7528-7556.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2012, 1123, (9), 2236-2263.