发明人罗永刚,钱学锋,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109240927 A, 授权公告日 2021-10-11.
发明人唐晓军,张德明,林芳. "Method for the Synthesis of N-(2-Methyl-4-nitrophenyl)pyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 110419366 B, 授权公告日 2018-11-20.
Davis P L, Mueller T, Thompson G K. "A Process for Preparing High-Purity N-(2-Methyl-4-nitrophenyl)pyrazine-2-carboxamide" [P]. US Patent, US 9864371 B2, 2022-12-27.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2012, 2187, (10), 1217-1226.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 1032, (3), 3704-3722.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-Methyl-4-nitrophenyl)pyrazine-2-carboxamide Using HRMS and NMR". J. Nat. Prod., 2011, 1886, (3), 2828-2837.