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

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

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

4-amino-6-(4-methoxyphenyl)-7-(β-L-xylofuranosyl)pyrrolo[2,3-d]pyrimidine-5-carboxamide

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