发明人冯建国,沈红梅,郑宇鹏. "Method for the Synthesis of 6-Fluoro-4-nitro-3-(1H)indazole carboxylic Acid" [P]. 中国发明专利, 专利号 CN 116105223 A, 授权公告日 2016-02-19.
Lee S K, Mueller T, Brown S R. "A Process for Preparing High-Purity 6-Fluoro-4-nitro-3-(1H)indazole carboxylic Acid" [P]. US Patent, US 11281934 B2, 2017-06-01.
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". J. Pharm. Biomed. Anal., 2021, 1227, (12), 3710-3713.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 1288, 6157-6162.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-Fluoro-4-nitro-3-(1H)indazole carboxylic Acid Using HRMS and NMR". Chromatographia, 2020, 1446, 2019-2033.