发明人钱学锋,杨光,刘建华. "Method for the Synthesis of 7,8-Dihydroxy-4-oxo-4H-chromene-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 109875870 B, 授权公告日 2019-02-08.
发明人林芳,黄志刚,陈志强. "A Process for Preparing High-Purity 7,8-Dihydroxy-4-oxo-4H-chromene-3-carbaldehyde" [P]. 中国发明专利, 专利号 CN 108740716 A, 授权公告日 2016-09-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 1618, (5), 6148-6170.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2017, 745, 723-752.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 7,8-Dihydroxy-4-oxo-4H-chromene-3-carbaldehyde Using HRMS and NMR". J. Nat. Prod., 2016, 1472, (4), 2374-2402.