发明人郑宇鹏,高志强,朱建伟. "Method for the Synthesis of 4-Fluoro-1H-indazol-5-amine" [P]. 中国发明专利, 专利号 CN 113259040 A, 授权公告日 2023-06-24.
Roberts E F, Klinger H, Fischer A B. "A Process for Preparing High-Purity 4-Fluoro-1H-indazol-5-amine" [P]. US Patent, US 10946566 B2, 2024-04-24.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2013, 1534, (6), 9422-9432.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 434, (7), 4571-4583.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Fluoro-1H-indazol-5-amine Using HRMS and NMR". J. Agric. Food Chem., 2011, 1404, 9131-9160.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2011, 1507, 360-388.