发明人郑宇鹏,杨光,李文辉. "Method for the Synthesis of 2-((3-Methyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 115884837 B, 授权公告日 2021-08-01.
Schröder R, Lee S K, Brown S R. "A Process for Preparing High-Purity 2-((3-Methyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetic acid" [P]. US Patent, US 9806107 B2, 2015-02-26.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 179, (10), 8629-8655.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2010, 1155, (7), 3681-3696.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-((3-Methyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetic acid Using HRMS and NMR". Chromatographia, 2017, 1708, (4), 7960-7990.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2010, 2204, 9436-9465.