Fischer A B, Hughes D C, Lee S K. "一种的合成方法" [P]. US Patent, US 10879114 B2, 2025-06-27.
发明人徐明华,黄志刚,何建平. "Method for the Synthesis of 3,4-Dibromo-1H-indazole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117404454 A, 授权公告日 2016-06-03.
Hughes D C, Klinger H, Mueller T. "A Process for Preparing High-Purity 3,4-Dibromo-1H-indazole-6-carboxylic acid" [P]. US Patent, US 10365868 B2, 2023-05-25.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2013, 879, 1219-1237.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2013, 2113, (10), 6548-6567.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Dibromo-1H-indazole-6-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2012, 1946, 4630-4651.