Thompson G K, O'Brien P Q, Klinger H. "一种的合成方法" [P]. US Patent, US 10683054 B2, 2019-02-12.
Martínez F, Sørensen M, Kowalski A. "Method for the Synthesis of 6-Nitro-1H-indazol-7-amine" [P]. European Patent, EP 3108122 A1, 2019-06-14.
发明人钱学锋,李文辉,陈志强. "A Process for Preparing High-Purity 6-Nitro-1H-indazol-7-amine" [P]. 中国发明专利, 专利号 CN 116893532 A, 授权公告日 2015-02-01.
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". Sci. Total Environ., 2010, 759, 2285-2297.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2012, 258, 9861-9882.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 6-Nitro-1H-indazol-7-amine Using HRMS and NMR". Talanta, 2021, 1662, 9334-9343.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2023, 560, 7876-7891.