3d image of picene skeletal formula

picene dibenzophenanthrene benzchrysene binaphthylene ethene pitchy distillation peat tar petroleum distillate recrystallized cymene blue fluorescence constituent mineral idrialite substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block petrol molecule molecular formula skeletal structural structure geometry ball stick atom chemistry science scientific research organic chemical 3d isolated white background model