Anderson J P, Mueller T, Schröder R. "一种的合成方法" [P]. US Patent, US 9918250 B2, 2025-02-15.
发明人赵玉洁,罗永刚,郑宇鹏. "Method for the Synthesis of 2-Methyltetrahydro-2H-pyrazino[1,2-a]pyrazine-1,4(3H,6H)-dione" [P]. 中国发明专利, 专利号 CN 112939000 A, 授权公告日 2023-11-13.
Martínez F, Johansson L, Nowak P. "A Process for Preparing High-Purity 2-Methyltetrahydro-2H-pyrazino[1,2-a]pyrazine-1,4(3H,6H)-dione" [P]. European Patent, EP 3428597 A1, 2021-05-12.
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". Phytochemistry, 2012, 1237, (1), 735-755.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2011, 2242, 803-806.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyltetrahydro-2H-pyrazino[1,2-a]pyrazine-1,4(3H,6H)-dione Using HRMS and NMR". J. Nat. Prod., 2010, 2228, 1462-1482.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2019, 90, (3), 5046-5071.