Mueller T C, Johansson L, Schröder R. "一种的合成方法" [P]. European Patent, EP 3244064 A1, 2025-01-12.
发明人沈红梅,朱建伟,周伟. "Method for the Synthesis of Methyl 2H-indazole-7-carboxylate" [P]. 中国发明专利, 专利号 CN 115982400 B, 授权公告日 2017-04-19.
Anderson J P, Lee S K, Park J H. "A Process for Preparing High-Purity Methyl 2H-indazole-7-carboxylate" [P]. US Patent, US 9191767 B2, 2020-09-11.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2017, 357, 3187-3202.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2016, 2022, (4), 472-499.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2H-indazole-7-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2011, 1127, (8), 8087-8096.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 1174, 1433-1439.