英文名称
(2S-cis)-5-Fluoro-1-[2-(hydroxymethyl)-1,3-oxathiolan-5-yl]-2,4(1H,3H)-pyrimidinedione
Standards; Pharmaceutical/API Drug Impurities/Metabolites; Carbohydrates and Oligosaccharides;
5-Fluoro-3'-thia-2',3'-dideoxyuridine is an impurity of ent-Emtricitabine (E525005), a reverse transcriptase inhibitor and an effective antiviral agent against HIV, HBV, and other viruses replicating in a similar manner. In addition, ent-Emtricitabine (E525005) is a nucleoside analog structurally related to Lamivudine (L172500).