发明人马晓峰,高志强,唐晓军. "Method for the Synthesis of methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109332198 A, 授权公告日 2021-07-11.
O'Brien P Q, Klinger H, Park J H. "A Process for Preparing High-Purity methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate" [P]. US Patent, US 9395210 B2, 2025-06-04.
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". J. Chromatogr. A, 2012, 1452, (11), 1943-1948.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 715, 1302-1313.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of methyl 5-bromo-6-oxo-1H-pyrazine-3-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2021, 1222, 6509-6525.