发明人马晓峰,郭海燕,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111973609 A, 授权公告日 2025-07-26.
发明人郑宇鹏,李文辉,马晓峰. "Method for the Synthesis of 6-Hydroxy-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione" [P]. 中国发明专利, 专利号 CN 116835751 B, 授权公告日 2015-08-15.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 359, (9), 3572-3582.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2013, 1523, (11), 4608-4623.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 6-Hydroxy-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione Using HRMS and NMR". Sci. Total Environ., 2019, 1934, (6), 9016-9039.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2015, 1912, 5500-5522.