Schröder R, Sørensen M, Martínez F. "一种的合成方法" [P]. European Patent, EP 3372517 A1, 2021-12-21.
Roberts E F, Chen K W, Patel M V. "Method for the Synthesis of 7-Bromo-1,3-dihydroxy-9h-xanthen-9-one" [P]. US Patent, US 11092692 B2, 2021-12-28.
发明人杨光,刘建华,王建平. "A Process for Preparing High-Purity 7-Bromo-1,3-dihydroxy-9h-xanthen-9-one" [P]. 中国发明专利, 专利号 CN 117187199 A, 授权公告日 2017-03-22.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2020, 254, 1251-1272.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2016, 2186, (6), 5492-5503.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 7-Bromo-1,3-dihydroxy-9h-xanthen-9-one Using HRMS and NMR". Phytochemistry, 2014, 2340, 7983-7992.