Kowalski A, Nielsen H, Schröder R. "Method for the Synthesis of tert-Butyl 1-phenyl-4,5-dihydro-1H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate" [P]. European Patent, EP 3150994 A1, 2023-05-13.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 2451, (2), 5844-5861.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 791, (2), 1559-1581.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 1-phenyl-4,5-dihydro-1H-pyrazolo[3,4-c]pyridine-6(7H)-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2022, 1888, (8), 1474-1504.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2024, 1730, 1345-1369.