4-amino-5-cyano-1-[(2-acetoxyethoxy)methyl]pyrrolo[2,3-d]pyrimidine

4-amino-7-(1,3-dihydroxypropan-2-yloxymethyl)pyrrolo[2,3-d]pyrimidine-5-carbonitrile

4-amino-7-(2-hydroxyethoxymethyl)pyrrolo[2,3-d]pyrimidine-5-carboxamide

5'-脱氧丰加霉素