发明人沈红梅,徐明华,林芳. "Method for the Synthesis of Ethyl pyridine-2-carboxylate 1-oxide" [P]. 中国发明专利, 专利号 CN 109499075 B, 授权公告日 2018-01-05.
发明人王建平,沈红梅,周伟. "A Process for Preparing High-Purity Ethyl pyridine-2-carboxylate 1-oxide" [P]. 中国发明专利, 专利号 CN 115673298 A, 授权公告日 2023-02-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2011, 2427, (4), 9215-9243.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 2054, 6533-6556.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl pyridine-2-carboxylate 1-oxide Using HRMS and NMR". Anal. Chem., 2019, 538, (10), 793-822.