发明人孙丽萍,赵玉洁,高志强. "Method for the Synthesis of Ethyl 5-ethyl-3-hydroxypyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111731765 B, 授权公告日 2023-11-15.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2012, 2184, 7571-7593.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 1944, 4984-5014.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-ethyl-3-hydroxypyrazine-2-carboxylate Using HRMS and NMR". Sci. Total Environ., 2024, 161, (10), 7739-7760.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2012, 530, (7), 3304-3309.