% '5-hydroxymethylcytosine'


config('5-hydroxymethylcytosine',[
        ring([
                nit(1,hyd)&,
                car(2,oxy?)&,
                nit(3)&,
                car(4,amine(7))&,
                car(5,hydroxymethyl(8))&,
                car(6,hyd)&])]).