发明人张德明,王建平,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117394580 A, 授权公告日 2023-05-20.
Jørgensen K, Sørensen M, Schröder R. "Method for the Synthesis of 5,6-Dimethyl-3-nitropyridin-2(1H)-one" [P]. European Patent, EP 3396817 A1, 2018-08-26.
发明人罗永刚,马晓峰,冯建国. "A Process for Preparing High-Purity 5,6-Dimethyl-3-nitropyridin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 112187228 B, 授权公告日 2020-12-07.
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". J. Sep. Sci., 2013, 1913, 9900-9909.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2020, 1137, 5471-5484.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 5,6-Dimethyl-3-nitropyridin-2(1H)-one Using HRMS and NMR". Sci. Total Environ., 2022, 1729, 1859-1874.