3d image of anthrone skeletal formula

anthrone anthron 9-oxoanthracene tricyclic aromatic ketone cellulose analysis colorimetric carbohydrates laxative water reabsorption derivative rhamnus frangula aloe ferox rheum officinale cassia senna synthesis glyoxal octacyclic pigment tautomer antrol tautomeric substance matter material compound component agent stuff reagent functional group precursor reaction production molecule molecular formula skeletal structural structure geometry ball stick atom chemistry chemical science organic 3d