Martínez F, Nowak P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3951514 A1, 2017-08-05.
发明人沈红梅,王建平,冯建国. "Method for the Synthesis of 4-Hydroxy-6-methyl-2H-pyrano[3,2-c]quinoline-2,5(6H)-dione" [P]. 中国发明专利, 专利号 CN 111650025 B, 授权公告日 2019-05-17.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2012, 1047, 4848-4861.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2012, 593, 6808-6824.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Hydroxy-6-methyl-2H-pyrano[3,2-c]quinoline-2,5(6H)-dione Using HRMS and NMR". J. Sep. Sci., 2022, 789, 643-669.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2012, 349, 1482-1510.