Sørensen M, Kowalski A, Lefèvre J P. "一种的合成方法" [P]. European Patent, EP 3242216 A1, 2016-07-21.
发明人何建平,郭海燕,孙丽萍. "Method for the Synthesis of 5-Chloro-6-(m-tolylthio)pyrazine-2,3-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 111937101 B, 授权公告日 2023-03-26.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2024, 748, (12), 6720-6744.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 1573, 7613-7643.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-6-(m-tolylthio)pyrazine-2,3-dicarbonitrile Using HRMS and NMR". Molecules, 2012, 1221, (10), 5662-5677.