1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-5-(propyn-1-yl)-4-(1,2,4-triazol-1-yl)pyrimidin-2(3H)-one

1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-5-(trimethylsilylethynyl)-4-(1,2,4-triazol-1-yl)pyrimidin-2(3H)-one

2',3',5'-tri-O-benzoyl-5-(propyn-1-yl)uridine

3-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-6-methylthieno[2,3-d]pyrimidin-2(3H)-one

1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4-(1,2,4-triazol-1-yl)pyrimidin-2(1H)-one