发明人郑宇鹏,孙丽萍,陈志强. "Method for the Synthesis of 5-fluoro-1H-indazole-7-carbaldehyde" [P]. 中国发明专利, 专利号 CN 113734107 B, 授权公告日 2017-07-09.
发明人冯建国,胡光,钱学锋. "A Process for Preparing High-Purity 5-fluoro-1H-indazole-7-carbaldehyde" [P]. 中国发明专利, 专利号 CN 113597732 B, 授权公告日 2023-09-18.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2014, 2251, (3), 948-974.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 1829, (8), 1517-1523.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-fluoro-1H-indazole-7-carbaldehyde Using HRMS and NMR". Anal. Chem., 2011, 2080, (6), 859-864.