发明人钱学锋,高志强,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115742524 A, 授权公告日 2023-03-12.
发明人陈志强,黄志刚,韩伟. "Method for the Synthesis of Tert-butyl 4-(6-ethylthieno[2,3-d]pyrimidin-4-yl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 116822072 A, 授权公告日 2023-06-28.
Mueller T, Johnson M A, Klinger H. "A Process for Preparing High-Purity Tert-butyl 4-(6-ethylthieno[2,3-d]pyrimidin-4-yl)piperazine-1-carboxylate" [P]. US Patent, US 9388417 B2, 2023-05-05.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2016, 875, (1), 8876-8889.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2020, 2455, (7), 1106-1127.