发明人胡光,王建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108848938 A, 授权公告日 2015-09-15.
发明人马晓峰,徐明华,张德明. "Method for the Synthesis of 5,6-Dimethylthieno[2,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 109889215 B, 授权公告日 2019-02-07.
发明人高志强,郑宇鹏,王建平. "A Process for Preparing High-Purity 5,6-Dimethylthieno[2,3-d]pyrimidin-4(3H)-one" [P]. 中国发明专利, 专利号 CN 114336976 B, 授权公告日 2016-04-22.
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. Nat. Prod., 2011, 1113, (4), 2078-2103.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 1995, (3), 6164-6167.