7-(2'-oxo-heptyl)-1,N(2)-ethenoguanine
7-(2'-oxo-heptyl)-1,n(2)-ethenoguanine
A nucleobase adduct that is 1,<em>N</em><small><sup>2</small></sup>-ethenoguanine substituted by a 2-oxo-heptyl group at positions 7.