发明人何建平,冯建国,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117523731 A, 授权公告日 2023-07-03.
Lefèvre J P, Nowak P, Nielsen H. "Method for the Synthesis of Pteridine-4(1H)-thione" [P]. European Patent, EP 3427783 A1, 2018-02-19.
发明人冯建国,王建平,钱学锋. "A Process for Preparing High-Purity Pteridine-4(1H)-thione" [P]. 中国发明专利, 专利号 CN 110160253 B, 授权公告日 2019-10-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2014, 924, (2), 4680-4700.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 2275, (7), 3518-3531.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Pteridine-4(1H)-thione Using HRMS and NMR". Chromatographia, 2018, 507, 1309-1314.