% 'D-glucurono-3,6-lactone'


config('D-glucurono-3,6-lactone',[
        ring([
                oxy,
                keto(6),
                car(5,hydroxyl&&hyd),
                car(4,hydroxyl&&hyd),
                car(3,(car(2,hyd&&hydroxyl&&aldehyde(1))~)&&hyd)])]).