Hughes D C, Yamamoto T, Klinger H. "一种的合成方法" [P]. US Patent, US 11683543 B2, 2020-03-16.
发明人冯建国,罗永刚,李文辉. "Method for the Synthesis of 4-Chloro-2-(chloromethyl)-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine" [P]. 中国发明专利, 专利号 CN 114801298 A, 授权公告日 2018-11-26.
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. Pharm. Biomed. Anal., 2014, 2292, (6), 8136-8149.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2022, 1151, (9), 6995-7023.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-(chloromethyl)-6,7-dihydro-5H-cyclopenta[4,5]thieno[2,3-d]pyrimidine Using HRMS and NMR". J. Chromatogr. A, 2021, 999, 3714-3740.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2016, 878, (7), 9547-9557.