4-amino-6-bromo-7-[2,2-dibutyl-6-(hydroxymethyl)-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3,2]dioxastannol-4-yl]pyrrolo[2,3-d]pyrimidine-5-carboxamide

[2-(4-amino-6-bromo-5-cyanopyrrolo[2,3-d]pyrimidin-7-yl)-4-hydroxy-5-(hydroxymethyl)oxolan-3-yl] 4-methylbenzenesulfonate

[2-(4-amino-6-bromo-5-carbamoylpyrrolo[2,3-d]pyrimidin-7-yl)-4-hydroxy-5-(hydroxymethyl)oxolan-3-yl] 4-methylbenzenesulfonate

6,2'-S-cyclosangivamycin hydrobromide

7-deaza-2'-deoxy-7-iodoadenosine