Thompson G K, Davis P L, Fischer A B. "一种的合成方法" [P]. US Patent, US 11631489 B2, 2017-01-04.
Lee S K, Klinger H, Roberts E F. "Method for the Synthesis of Ethyl 2-(((4-chlorophenyl)thio)methyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate" [P]. US Patent, US 11127121 B2, 2025-10-22.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 1461, (8), 8636-8663.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 1476, (11), 9810-9819.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-(((4-chlorophenyl)thio)methyl)-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2016, 1057, 5092-5104.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2010, 782, (6), 2430-2444.