发明人郭海燕,刘建华,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114727208 A, 授权公告日 2018-09-23.
Williams B T, Mueller T, Lee S K. "Method for the Synthesis of 5-Chloro-1-isopropyl-3-(piperazin-1-yl)pyrazin-2(1H)-one" [P]. US Patent, US 10330065 B2, 2023-09-08.
发明人郑宇鹏,胡光,王建平. "A Process for Preparing High-Purity 5-Chloro-1-isopropyl-3-(piperazin-1-yl)pyrazin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 113078612 B, 授权公告日 2019-01-01.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2018, 900, (5), 5288-5300.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2019, 271, (10), 8081-8111.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-1-isopropyl-3-(piperazin-1-yl)pyrazin-2(1H)-one Using HRMS and NMR". J. Chromatogr. A, 2020, 1639, (7), 3868-3872.