Mueller T, Schröder R, Roberts E F. "Method for the Synthesis of 3-(Methoxycarbonyl)-1H-indazole-5-carboxylic acid" [P]. US Patent, US 11279607 B2, 2022-07-17.
发明人郑宇鹏,杨光,沈红梅. "A Process for Preparing High-Purity 3-(Methoxycarbonyl)-1H-indazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109952163 A, 授权公告日 2023-09-20.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2014, 649, (8), 5277-5286.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 1504, (10), 1637-1649.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Methoxycarbonyl)-1H-indazole-5-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 523, 372-386.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2023, 721, 2354-2364.