... European Journal of Medicinal Chemistry. ... a Medicinal Chemistry, Rega Institute for Medical Research, KU Leuven, Minderbroedersstraat 10, BE-3000 Leuven, Belgium; b Virology and Chemotherapy ... H); 3.96 (m, 1H, 4′-H); 4.09 (m, 2H, 2′-H and 3′-H); 4.16 (d, 1H, J = 5.1 Hz ...