has role independent continuant geroprotector oxopurine antitubercular agent antimetabolite antineoplastic agent antiviral drug purine 2',3'-dideoxyribonucleoside didanosine CHEBI:490877 A purine 2',3'-dideoxyribonucleoside that is inosine in which the hydroxy groups at both the 2' and the 3' positions on the sugar moiety have been replaced by hydrogen. An antiviral drug, it is used as a medication to treat HIV/AIDS. HIV-1 reverse transcriptase inhibitor EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor