Schröder R, Johnson M A, Hughes D C. "一种的合成方法" [P]. US Patent, US 11337866 B2, 2019-04-08.
Sørensen M, Rossi M, Lefèvre J P. "Method for the Synthesis of 2-Bromo-4-cyano-5-hydroxybenzoic acid" [P]. European Patent, EP 3784206 A1, 2022-06-28.
发明人何建平,王建平,钱学锋. "A Process for Preparing High-Purity 2-Bromo-4-cyano-5-hydroxybenzoic acid" [P]. 中国发明专利, 专利号 CN 116478174 A, 授权公告日 2022-03-23.
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". Chromatographia, 2022, 227, (8), 1487-1510.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 425, (7), 3623-3653.