4-amino-6-(3-bromophenyl)-5-cyano-7-(2,3,5-tri-O-benzoyl-β-L-xylofuranosyl)pyrrolo[2,3-d]pyrimidine

4-amino-6-(1H-pyrrol-2-yl)-5-cyano-7-(2,3,5-tri-O-benzoyl-β-L-xylofuranosyl)pyrrolo[2,3-d]pyrimidine

4-amino-6-(thiophen-2-yl)-5-cyano-7-(2,3,5-tri-O-benzoyl-β-L-xylofuranosyl)pyrrolo[2,3-d]pyrimidine

4-amino-6-(furan-2-yl)-5-cyano-7-(2,3,5-tri-O-benzoyl-β-L-xylofuranosyl)pyrrolo[2,3-d]pyrimidine

4-amino-6-(4-(tert-butyl)phenyl)-5-cyano-7-(β-L-xylofuranosyl)pyrrolo[2,3-d]pyrimidine