O'Brien P Q, Lee S K, Williams B T. "一种的合成方法" [P]. US Patent, US 11521868 B2, 2019-06-12.
发明人沈红梅,罗永刚,马晓峰. "Method for the Synthesis of 7-(3-Chloro-2-hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 116228059 B, 授权公告日 2019-02-25.
发明人何建平,陈志强,郑宇鹏. "A Process for Preparing High-Purity 7-(3-Chloro-2-hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 117749567 B, 授权公告日 2019-05-11.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2018, 948, (8), 702-715.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2023, 2229, (3), 8029-8045.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 7-(3-Chloro-2-hydroxypropyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2019, 567, (2), 8306-8316.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2014, 908, 4661-4676.