The molecule is a 7-deazaguanine ribonucleoside that is queuosine having a beta-D-galactosyl residue attached at position 5''. It is a 7-deazaguanine ribonucleoside, a beta-D-galactoside and a monosaccharide derivative. It derives from a queuosine.
2-amino-7-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-[[[(1S,4S,5R)-4-hydroxy-5-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclopent-2-en-1-yl]amino]methyl]-3H-pyrrolo[2,3-d]pyrimidin-4-one