Yamamoto T, Fischer A B, Chen K W. "Method for the Synthesis of 2-(Ethylsulfonyl)-3-nitropyridine" [P]. US Patent, US 10001970 B2, 2020-03-14.
发明人李文辉,马晓峰,张德明. "A Process for Preparing High-Purity 2-(Ethylsulfonyl)-3-nitropyridine" [P]. 中国发明专利, 专利号 CN 112320536 B, 授权公告日 2025-10-28.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 1398, 5745-5768.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 1743, (7), 5709-5736.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Ethylsulfonyl)-3-nitropyridine Using HRMS and NMR". J. Sep. Sci., 2023, 817, 6238-6242.