Rossi M, Sørensen M, Martínez F. "一种的合成方法" [P]. European Patent, EP 3266218 A1, 2020-07-15.
Klinger H, Lee S K, Fischer A B. "Method for the Synthesis of 4-Methoxy-1-methyl-1H-indazol-3-amine" [P]. US Patent, US 10180425 B2, 2020-04-08.
发明人张德明,林芳,罗永刚. "A Process for Preparing High-Purity 4-Methoxy-1-methyl-1H-indazol-3-amine" [P]. 中国发明专利, 专利号 CN 109410069 B, 授权公告日 2016-07-08.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2011, 954, (11), 119-141.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2011, 1262, 8931-8961.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methoxy-1-methyl-1H-indazol-3-amine Using HRMS and NMR". J. Chromatogr. A, 2016, 1498, (6), 9522-9530.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2017, 1289, 3038-3045.