发明人罗永刚,林芳,何建平. "Method for the Synthesis of 4-Bromo-1H-indazole-3,6-diol" [P]. 中国发明专利, 专利号 CN 110783645 A, 授权公告日 2021-12-04.
发明人林芳,周伟,马晓峰. "A Process for Preparing High-Purity 4-Bromo-1H-indazole-3,6-diol" [P]. 中国发明专利, 专利号 CN 113120398 A, 授权公告日 2025-12-13.
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". J. Sep. Sci., 2011, 1538, 4354-4366.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 601, (7), 2710-2734.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-1H-indazole-3,6-diol Using HRMS and NMR". Biomed. Chromatogr., 2013, 493, (11), 7967-7997.