Fischer A B, Chen K W, Hughes D C. "一种3-methyl-1,4-dihydropyridine-4-thione的合成方法" [P]. US Patent, US 9434521 B2, 2017-01-24.
发明人徐明华,孙丽萍,马晓峰. "Method for the Synthesis of 3-methyl-1,4-dihydropyridine-4-thione" [P]. 中国发明专利, 专利号 CN 108237707 B, 授权公告日 2019-01-19.
Martínez F, Mueller T C, Johansson L. "A Process for Preparing High-Purity 3-methyl-1,4-dihydropyridine-4-thione" [P]. European Patent, EP 3036696 A1, 2016-03-26.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 3-methyl-1,4-dihydropyridine-4-thione in Pharmaceutical Formulations". Food Chem., 2022, 2031, 7065-7072.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-methyl-1,4-dihydropyridine-4-thione as an Impurity". Molecules, 2020, 1165, 2532-2547.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 3-methyl-1,4-dihydropyridine-4-thione Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 582, 5964-5976.