Thompson G K, Fischer A B, Mueller T. "一种的合成方法" [P]. US Patent, US 10330821 B2, 2021-07-08.
发明人郭海燕,高志强,林芳. "Method for the Synthesis of 2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-4H-chromen-4-one" [P]. 中国发明专利, 专利号 CN 112038485 A, 授权公告日 2015-04-26.
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". Anal. Chem., 2016, 1526, 725-752.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 518, 8586-8594.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-4H-chromen-4-one Using HRMS and NMR". Sci. Total Environ., 2010, 708, (12), 9506-9519.