2'-deoxy-7-deazaadenosine
4-Amino-7-benzyl-2-methylthio-7H-pyrrolo<2,3-d>pyrimidin
4-Amino-2-methylthio-7-(2,3,5-tri-O-benzyl-β-D-arabinofuranosyl)pyrrolo<2,3-d>pyrimidin
4-Amino-2-methylthio-7-(2,3,5-tri-O-benzyl-α-D-arabinofuranosyl)pyrrolo<2,3-d>pyrimidin
4-Amino-7-<2-desoxy-3,5-di-O-(p-toluoyl)-β-D-erythro-pentofuranosyl>-2-methylthio-7H-pyrrolo<2,3-d>pyrimidin