Nowak P, Johansson L, Mueller T C. "Method for the Synthesis of Methyl 3-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole-4-carboxylate" [P]. European Patent, EP 3693708 A1, 2016-02-25.
发明人马晓峰,刘建华,杨光. "A Process for Preparing High-Purity Methyl 3-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115439953 A, 授权公告日 2024-05-04.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 214, 8008-8033.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 696, (4), 2139-2143.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole-4-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2020, 2024, (6), 7832-7861.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 1356, 7753-7781.