The molecule is a purine 2'-deoxyribonucleoside consisting of 2'-deoxyguanosine having a 1-carboxyethyl group attached at the N(2)-position. It derives from a 2'-deoxyguanosine.
2-[[9-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-oxo-1H-purin-2-yl]amino]propanoic acid