发明人韩伟,黄志刚,高志强. "Method for the Synthesis of Oxazolo[4,5-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 117207089 A, 授权公告日 2019-06-07.
发明人黄志刚,冯建国,王建平. "A Process for Preparing High-Purity Oxazolo[4,5-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 111999657 A, 授权公告日 2021-08-23.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 843, (1), 9017-9020.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 550, 4967-4988.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Oxazolo[4,5-d]pyrimidine Using HRMS and NMR". Anal. Methods, 2023, 2129, (1), 3754-3761.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2016, 1897, 857-881.