Patel M V, Stevens L M, Anderson J P. "Method for the Synthesis of 4-Fluoroindazole" [P]. US Patent, US 10134431 B2, 2022-11-05.
发明人高志强,何建平,黄志刚. "A Process for Preparing High-Purity 4-Fluoroindazole" [P]. 中国发明专利, 专利号 CN 109974923 A, 授权公告日 2020-06-17.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 2465, (3), 8193-8205.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 2141, (9), 8807-8827.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-Fluoroindazole Using HRMS and NMR". Food Chem., 2018, 517, (5), 5864-5868.