发明人林芳,刘建华,唐晓军. "Method for the Synthesis of 1H-Thieno[3,4-d]pyrimidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 108345243 A, 授权公告日 2016-10-14.
发明人林芳,沈红梅,韩伟. "A Process for Preparing High-Purity 1H-Thieno[3,4-d]pyrimidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 113615167 A, 授权公告日 2019-12-26.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2020, 559, (10), 4976-4993.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 476, (9), 8544-8548.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1H-Thieno[3,4-d]pyrimidine-2,4-dione Using HRMS and NMR". J. Sep. Sci., 2018, 2103, (7), 7418-7430.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2025, 1266, (3), 4801-4809.