8-Bromo-2’,3’,5’-tri-O-acetylguanosine-13C2,15N is an intermediate in the synthesis of 8-Aminoguanosine-13C2,15N (A609877). 8-Aminoguanosine-13C2,15N is an isotopic labelled compound of 8-Aminoguanosine (A609875), which is a potent inhibitor of purine nucleoside phosphorylase. 8-Bromo-2’,3’,5’-tri-O-acetylguanosine-13C2,15N is also a labelled analog of 8-Bromo-2’,3’,5’-tri-O-acetylguanosine (B688325).