2-Methylthio-7-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)-4H-pyrrolo[2,3-d]pyrimidin-4-on

2-(Acetylamino)-3,7-dihydro-3-(isopropoxymethyl)-7-(2,3,5-tri-O-benzyl-β-D-ribofuranosyl)-4H-pyrrolo<2,3-d>pyrimidin-4-on

7-((2R,3R,4R,5R)-3,4-bis(benzyloxy)-5-((benzyloxy)methyl)tetrahydrofuran-2-yl)-3-(isopropoxymethyl)-2-(methylthio)-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one