The invention relates to Purine Derivatives; compositions comprising an effective amount of a Purine Derivative; and methods for treating or preventing an ischemic condition, reperfusion injury, a cellular proliferative disorder, a cardiovascular disease, a neurological disorder, a skin disorder, a radiation-induced injury, a wound, or an inflammatory disease comprising administering an effective amount of a Purine Derivative to a subject in need thereof. The Purine Derivatives include compounds of the following formula: or a pharmaceutically acceptable salt thereof, wherein A is —C(O)NHR3; B and C are —OH; D is