发明人刘建华,杨光,陈志强. "Method for the Synthesis of 4,5,6,7-Tetrafluoro-3-phenyl-1H-indazole" [P]. 中国发明专利, 专利号 CN 117778447 A, 授权公告日 2015-01-12.
Roberts E F, Schröder R, Klinger H. "A Process for Preparing High-Purity 4,5,6,7-Tetrafluoro-3-phenyl-1H-indazole" [P]. US Patent, US 10831247 B2, 2017-07-04.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2011, 1479, (9), 6968-6973.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 1110, (11), 2598-2602.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4,5,6,7-Tetrafluoro-3-phenyl-1H-indazole Using HRMS and NMR". J. Chromatogr. A, 2021, 972, (6), 2366-2381.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2015, 203, 4421-4441.