The molecule is a pyrimidine 2',3'-dideoxyribonucleoside compound having cytosine as the nucleobase. It has a role as an antiviral drug, an antimetabolite and a HIV-1 reverse transcriptase inhibitor.
4-amino-1-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one