发明人黄志刚,朱建伟,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117531074 A, 授权公告日 2025-01-21.
发明人沈红梅,何建平,张德明. "Method for the Synthesis of N,N-Diethyl-N'-(9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)formimidamide" [P]. 中国发明专利, 专利号 CN 112570705 B, 授权公告日 2024-05-13.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 2108, 6560-6588.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 885, 5548-5561.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of N,N-Diethyl-N'-(9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)formimidamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 866, 9673-9696.