Martínez F, Kowalski A, Mueller T C. "Method for the Synthesis of 5-Methyl-2(1H)-pyrazinone" [P]. European Patent, EP 3529063 A1, 2021-05-11.
发明人林芳,沈红梅,朱建伟. "A Process for Preparing High-Purity 5-Methyl-2(1H)-pyrazinone" [P]. 中国发明专利, 专利号 CN 117583637 A, 授权公告日 2018-08-16.
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". J. Pharm. Biomed. Anal., 2018, 1487, (12), 1559-1568.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2025, 1680, (12), 1482-1497.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Methyl-2(1H)-pyrazinone Using HRMS and NMR". Phytochemistry, 2022, 548, (2), 2212-2241.