2-疏基-7H-吡咯并[2,3-d]嘧啶-4,6-二醇

4,6-dichloro-7-(2-deoxy-3,5-di-O-p-touloyl-β-D-erythro-pentofuranosyl)pyrrolo<2,3-d>pyrimidine

4-Amino-2-methylthio-7H-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

N4-BENZOYL-7-DEAZA-2'-DEOXYADENOSINE