Jørgensen K, Lefèvre J P, Nowak P. "一种的合成方法" [P]. European Patent, EP 3477498 A1, 2023-03-14.
发明人何建平,徐明华,黄志刚. "Method for the Synthesis of 5-Fluoro-1-methyl-1h-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113701411 A, 授权公告日 2020-11-14.
发明人王建平,胡光,马晓峰. "A Process for Preparing High-Purity 5-Fluoro-1-methyl-1h-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113775743 B, 授权公告日 2018-09-14.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2010, 1543, (5), 1062-1075.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 1653, 774-789.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Fluoro-1-methyl-1h-indazole-3-carboxylic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 1053, 5397-5404.