发明人何建平,王建平,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113922560 A, 授权公告日 2015-10-07.
发明人张德明,钱学锋,王建平. "Method for the Synthesis of Ethyl 5-((4-chlorophenyl)thio)-3-(p-tolyl)-1,2,4-triazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 111981071 A, 授权公告日 2018-03-28.
发明人何建平,杨光,赵玉洁. "A Process for Preparing High-Purity Ethyl 5-((4-chlorophenyl)thio)-3-(p-tolyl)-1,2,4-triazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 115233713 A, 授权公告日 2018-04-07.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2013, 707, (3), 5721-5751.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2014, 2008, 4859-4880.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-((4-chlorophenyl)thio)-3-(p-tolyl)-1,2,4-triazine-6-carboxylate Using HRMS and NMR". J. Nat. Prod., 2023, 903, (4), 2417-2438.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2022, 1165, (10), 4252-4271.