发明人李文辉,郑宇鹏,黄志刚. "Method for the Synthesis of 7-Methyl-1H-indazol-4-amine" [P]. 中国发明专利, 专利号 CN 110774251 A, 授权公告日 2018-01-11.
发明人赵玉洁,孙丽萍,何建平. "A Process for Preparing High-Purity 7-Methyl-1H-indazol-4-amine" [P]. 中国发明专利, 专利号 CN 111752281 A, 授权公告日 2024-04-21.
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". Biomed. Chromatogr., 2020, 929, 6449-6461.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2016, 1391, 4568-4577.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methyl-1H-indazol-4-amine Using HRMS and NMR". J. Agric. Food Chem., 2015, 885, 2576-2585.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2012, 1916, 2583-2603.