发明人郑宇鹏,唐晓军,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109265898 A, 授权公告日 2019-04-02.
发明人罗永刚,马晓峰,林芳. "Method for the Synthesis of 7-Bromo-4,5-difluoro-3-hydroxyindoline" [P]. 中国发明专利, 专利号 CN 115649175 A, 授权公告日 2018-11-14.
Lee S K, Brown S R, Anderson J P. "A Process for Preparing High-Purity 7-Bromo-4,5-difluoro-3-hydroxyindoline" [P]. US Patent, US 10613065 B2, 2021-09-23.
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, 1312, (8), 5120-5144.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 2139, 7756-7785.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 7-Bromo-4,5-difluoro-3-hydroxyindoline Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 828, 1339-1358.