发明人高志强,周伟,罗永刚. "一种7-氨基-2-乙基-9-氟-4H-吡啶并[1,2-A]嘧啶-4-酮的合成方法" [P]. 中国发明专利, 专利号 CN 112033093 A, 授权公告日 2018-06-23.
发明人冯建国,罗永刚,何建平. "Method for the Synthesis of 7-Amino-2-ethyl-9-fluoro-4H-pyrido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 117019993 B, 授权公告日 2019-10-15.
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 7-氨基-2-乙基-9-氟-4H-吡啶并[1,2-A]嘧啶-4-酮 in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 552, (4), 9109-9135.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 7-氨基-2-乙基-9-氟-4H-吡啶并[1,2-A]嘧啶-4-酮 as an Impurity". J. Pharm. Biomed. Anal., 2024, 2364, 8428-8455.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7-Amino-2-ethyl-9-fluoro-4H-pyrido[1,2-a]pyrimidin-4-one Using HRMS and NMR". J. Chromatogr. A, 2020, 616, 8832-8851.