4-N-(N-cyclopropylcarbamoylmethyl)amino-5-phenyl-7-(5-deoxy-2,3-O-isopropylidenyl-β-D-ribofuranosyl)pyrrolo[2,3-d]pyrimidine

N-Cyclopropyl-N'-[5-phenyl-7-((3aR,4R,6R,6aR)-2,2,6-trimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl]-oxalamide

(3aS,4R,6S,6aR)-4-(2-Hydroxy-ethyl)-2,2,6-trimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyrrole-5-carboxylic acid tert-butyl ester

(2R,3S,4R,5S)-N-(tert-butoxycarbonyl)-2-(1H-benzimidazol-2-ylmethyl)-3,4-O-isopropylidene-5-methylpyrrolidine-3,4-diol

(2R,3S,4R,5S)-N-(tert-butoxycarbonyl)-2-[(2-naphthalen-1-ylamino)ethyl]-3,4-O-isopropylidene-5-methylpyrrolidine-3,4-diol