Martínez F, Lefèvre J P, Rossi M. "Method for the Synthesis of 1-(3-Bromo-1-(tetrahydro-2H-pyran-4-yl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridin-5(4H)-yl)ethanone" [P]. European Patent, EP 3163059 A1, 2022-08-11.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2022, 1109, (1), 2916-2929.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 569, 5019-5045.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(3-Bromo-1-(tetrahydro-2H-pyran-4-yl)-6,7-dihydro-1H-pyrazolo[4,3-c]pyridin-5(4H)-yl)ethanone Using HRMS and NMR". Molecules, 2024, 1207, (5), 6396-6399.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 2352, 4453-4481.