Fischer A B, Mueller T, Klinger H. "一种的合成方法" [P]. US Patent, US 11509204 B2, 2017-07-12.
Johnson M A, O'Brien P Q, Lee S K. "Method for the Synthesis of 6-Bromo-4-methyl-2-hydroxy-1,8-naphthyridine" [P]. US Patent, US 9489249 B2, 2019-06-05.
发明人郭海燕,沈红梅,何建平. "A Process for Preparing High-Purity 6-Bromo-4-methyl-2-hydroxy-1,8-naphthyridine" [P]. 中国发明专利, 专利号 CN 110806891 B, 授权公告日 2023-02-23.
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". J. Sep. Sci., 2017, 1193, (7), 6686-6711.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2021, 1496, (11), 3136-3162.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-4-methyl-2-hydroxy-1,8-naphthyridine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 1915, (11), 7090-7095.