发明人马晓峰,冯建国,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115776516 A, 授权公告日 2016-03-03.
发明人刘建华,赵玉洁,孙丽萍. "Method for the Synthesis of 9-Methyl-1H-isochromeno[6',5',4':10,5,6]anthra[2,1,9-def]isoquinoline-1,3,8,10(9H)-tetraone" [P]. 中国发明专利, 专利号 CN 109312123 B, 授权公告日 2025-10-08.
发明人高志强,赵玉洁,李文辉. "A Process for Preparing High-Purity 9-Methyl-1H-isochromeno[6',5',4':10,5,6]anthra[2,1,9-def]isoquinoline-1,3,8,10(9H)-tetraone" [P]. 中国发明专利, 专利号 CN 112654724 B, 授权公告日 2025-01-16.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 819, 1683-1697.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 1208, 1523-1528.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 9-Methyl-1H-isochromeno[6',5',4':10,5,6]anthra[2,1,9-def]isoquinoline-1,3,8,10(9H)-tetraone Using HRMS and NMR". Molecules, 2020, 187, 2693-2714.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2013, 1791, 2865-2870.