Yamamoto T, Lee S K, Davis P L. "Method for the Synthesis of Diethyl 2,6-dimethyl-4-(thiophen-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate" [P]. US Patent, US 10511602 B2, 2015-08-09.
发明人胡光,罗永刚,朱建伟. "A Process for Preparing High-Purity Diethyl 2,6-dimethyl-4-(thiophen-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 108525151 B, 授权公告日 2023-08-04.
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". Anal. Chim. Acta, 2012, 389, (6), 6020-6023.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2025, 1098, (5), 9148-9155.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Diethyl 2,6-dimethyl-4-(thiophen-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate Using HRMS and NMR". Chromatographia, 2013, 2381, (12), 4154-4166.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 481, 1512-1522.