3d image of benzoquinone skeletal formula

benzoquinone p-quinone p-benzoquinone para-quinone oxidant redox organic synthesis substance matter material compound component agent stuff reagent functional group precursor reaction production building block dehydrogenation thiele thiele–winter olefin metathesis metabolism erythema necrosis protease enzymes apoptosis safety preparation color yellowish-colored phenol molecule molecular formula skeletal structural structure geometry ball stick poison venom toxicant toxic toxicity 3d