The molecule is a 7-deazaguanine ribonucleoside obtained by formal epoxidation of the cyclohexene moiety of queuosine. It is a 7-deazaguanine ribonucleoside and an epoxide.
2-amino-7-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-[[[(1R,2R,3R,4R,5S)-3,4-dihydroxy-6-oxabicyclo[3.1.0]hexan-2-yl]amino]methyl]-3H-pyrrolo[2,3-d]pyrimidin-4-one