发明人郑宇鹏,钱学锋,朱建伟. "Method for the Synthesis of N-Ethyl-2-(8-(ethylamino)-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)acetamide" [P]. 中国发明专利, 专利号 CN 114530654 A, 授权公告日 2015-07-16.
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". Phytochemistry, 2022, 1690, 4031-4055.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 83, (8), 42-48.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of N-Ethyl-2-(8-(ethylamino)-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)acetamide Using HRMS and NMR". Chromatographia, 2022, 343, 2018-2041.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2015, 98, 9766-9787.