Anderson J P, Chen K W, Klinger H. "一种的合成方法" [P]. US Patent, US 10695674 B2, 2019-04-18.
发明人林芳,冯建国,赵玉洁. "Method for the Synthesis of 3-Chloro-1-isopropylpyrido[2,3-b]pyrazin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 115420371 B, 授权公告日 2016-08-14.
发明人冯建国,张德明,韩伟. "A Process for Preparing High-Purity 3-Chloro-1-isopropylpyrido[2,3-b]pyrazin-2(1H)-one" [P]. 中国发明专利, 专利号 CN 114654505 B, 授权公告日 2024-08-01.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2015, 518, (10), 3608-3632.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 2423, 6259-6268.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 3-Chloro-1-isopropylpyrido[2,3-b]pyrazin-2(1H)-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 1363, (11), 4843-4869.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2012, 235, (1), 3246-3258.