Lee S K, Brown S R, O'Brien P Q. "Method for the Synthesis of 6-bromo-2H-indazole-5-carboxylic acid" [P]. US Patent, US 11419021 B2, 2022-06-01.
发明人郑宇鹏,朱建伟,冯建国. "A Process for Preparing High-Purity 6-bromo-2H-indazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115275669 B, 授权公告日 2015-09-12.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 257, (2), 1306-1313.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2023, 528, (3), 7029-7041.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 6-bromo-2H-indazole-5-carboxylic acid Using HRMS and NMR". J. Nat. Prod., 2020, 1250, 7524-7553.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 658, (5), 7455-7467.