发明人何建平,郑宇鹏,罗永刚. "Method for the Synthesis of 4-Ethoxypyrido[1,2-e]purine" [P]. 中国发明专利, 专利号 CN 117463356 B, 授权公告日 2020-10-23.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2013, 1741, 9712-9741.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2015, 1658, (12), 3139-3148.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethoxypyrido[1,2-e]purine Using HRMS and NMR". Biomed. Chromatogr., 2024, 1514, (7), 1447-1457.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2018, 1810, 3544-3558.