Lee S K, Yamamoto T, Johnson M A. "一种的合成方法" [P]. US Patent, US 11850387 B2, 2019-11-27.
发明人郑宇鹏,黄志刚,高志强. "Method for the Synthesis of N,N-Diethyl-1-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxamide" [P]. 中国发明专利, 专利号 CN 113000792 B, 授权公告日 2023-06-01.
Yamamoto T, Klinger H, Roberts E F. "A Process for Preparing High-Purity N,N-Diethyl-1-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxamide" [P]. US Patent, US 10874569 B2, 2022-06-10.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2014, 1884, (11), 7521-7528.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2014, 947, (4), 2742-2753.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of N,N-Diethyl-1-oxohexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxamide Using HRMS and NMR". Anal. Chim. Acta, 2020, 2449, 1377-1395.