发明人郭海燕,李文辉,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113774008 A, 授权公告日 2025-07-24.
发明人林芳,王建平,黄志刚. "Method for the Synthesis of 5-(Ethylsulfonyl)-2-thioxo-4-(m-tolyl)-1,2-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 111002214 A, 授权公告日 2018-11-07.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2013, 767, (9), 7039-7058.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 372, 6575-6583.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Ethylsulfonyl)-2-thioxo-4-(m-tolyl)-1,2-dihydropyridine-3-carbonitrile Using HRMS and NMR". Sci. Total Environ., 2014, 1635, 9494-9518.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2014, 354, (10), 4324-4334.