发明人刘建华,罗永刚,马晓峰. "Method for the Synthesis of 2-Amino-5-(2-furyl)thieno[2,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 109968054 B, 授权公告日 2023-11-01.
发明人高志强,陈志强,刘建华. "A Process for Preparing High-Purity 2-Amino-5-(2-furyl)thieno[2,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 111999042 B, 授权公告日 2022-10-28.
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". Environ. Sci. Technol., 2017, 2179, (10), 8173-8185.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2023, 952, (1), 659-677.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5-(2-furyl)thieno[2,3-d]pyrimidin-4(3H)-one Using HRMS and NMR". J. Chromatogr. A, 2022, 331, (8), 576-601.