Johansson L, Björnsson E, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3133625 A1, 2019-04-05.
Fischer A B, Klinger H, Stevens L M. "Method for the Synthesis of N-(2-Ethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide" [P]. US Patent, US 9079303 B2, 2025-03-08.
发明人黄志刚,何建平,沈红梅. "A Process for Preparing High-Purity N-(2-Ethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide" [P]. 中国发明专利, 专利号 CN 111993995 A, 授权公告日 2025-02-11.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2015, 630, 9772-9798.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 2159, (11), 6892-6903.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of N-(2-Ethylphenyl)-2-((3-oxo-4-(p-tolyl)-3,4-dihydropyrazin-2-yl)thio)acetamide Using HRMS and NMR". J. Nat. Prod., 2019, 513, (12), 8266-8280.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2010, 1955, (4), 1698-1717.