Lee S K, Thompson G K, O'Brien P Q. "Method for the Synthesis of Pyrazine-2,3,5,6-tetracarbonitrile" [P]. US Patent, US 10338379 B2, 2023-09-21.
发明人唐晓军,高志强,王建平. "A Process for Preparing High-Purity Pyrazine-2,3,5,6-tetracarbonitrile" [P]. 中国发明专利, 专利号 CN 116065189 B, 授权公告日 2022-02-07.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 1399, (1), 7188-7200.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 1298, 9289-9299.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Pyrazine-2,3,5,6-tetracarbonitrile Using HRMS and NMR". J. Nat. Prod., 2017, 134, 5960-5973.