levulinic acid molecule. made by degradation of cellulose, potential precursor to biofuels. 3d rendering. atoms are represented as

levulinic acid molecule made degradation cellulose potential precursor biofuels 3d rendering atoms are represented as levulinate oxopentanoic oxopentanoate keto biofuel 4oxopentanoic laevulinic acetylpropionic acetopropionic ketovaleric hexose starch hydrogen carbon oxygen atomic model molecular compound composition chemical chemistry science scientific spheres conventional color coding white grey red