Anderson J P, Kumar R, Brown S R. "一种的合成方法" [P]. US Patent, US 9379205 B2, 2018-02-09.
Björnsson E, Lefèvre J P, Nielsen H. "Method for the Synthesis of (3AS,12aR)-4,6-dihydroxy-3a,12a-dihydro-5H-furo[3',2':4,5]furo[3,2-b]xanthen-5-one" [P]. European Patent, EP 3345377 A1, 2020-11-17.
发明人孙丽萍,王建平,陈志强. "A Process for Preparing High-Purity (3AS,12aR)-4,6-dihydroxy-3a,12a-dihydro-5H-furo[3',2':4,5]furo[3,2-b]xanthen-5-one" [P]. 中国发明专利, 专利号 CN 108564872 B, 授权公告日 2024-06-07.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2010, 2326, 1704-1731.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2019, 1388, 7539-7560.