A purine ribonucleoside that is a purine derivative attached to a beta-D-ribofuranosyl residue at position 9 via a glycosidic (N-glycosyl) linkage.
| Member | Definition | Role |
|---|
| adenosine | A ribonucleoside composed of a molecule of adenine attached to a ribofuranose moiety via a beta-N(9)-glycosidic bond. | adenosine |
| guanosine | A purine nucleoside in which guanine is attached to ribofuranose via a beta-N(9)-glycosidic bond. | guanosine |
| inosine | A purine nucleoside in which hypoxanthine is attached to ribofuranose via a beta-N(9)-glycosidic bond. | inosine |
| nebularine | A purine ribonucleoside that is 9H-purine attached to a beta-D-ribofuranosyl residue at position 9 via a glycosidic (N-glycosyl) linkage. | nebularine |
| xanthosine | A purine nucleoside in which xanthine is attached to ribofuranose via a beta-N(9)-glycosidic bond. | xanthosine |