发明人杨光,孙丽萍,罗永刚. "Method for the Synthesis of 2-Cyclopropyl-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one" [P]. 中国发明专利, 专利号 CN 117485520 A, 授权公告日 2022-11-23.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2012, 726, (8), 7365-7373.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 1220, 5032-5051.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyclopropyl-6,7,8,9-tetrahydro-4H-pyrimido[1,2-a]pyrimidin-4-one Using HRMS and NMR". Anal. Methods, 2025, 2039, 9494-9516.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2015, 1167, 9487-9495.