Pharmasset Inc., Tucker, Georgia 30084, Utah State University, Logan, Utah 84322, USA. pwang@pharmasset.com
A novel anti-hepatitis C virus (HCV) agent, N(3),5'-cyclo-4-(beta-D-ribofuranosyl)-vic-triazolo[4,5-b]pyridinin-5-one, was identified, and the structure was confirmed by chemical synthesis from 2-hydroxy-5-nitropyridine.