3d image of anthraquinone skeletal formula

anthraquinone anthracenedione dioxoanthracene anthradione anthrachinon dihydro anthracene quinone isomer quinone derivative synthesis anthracene friedel-crafts reaction phthalic anhydride diels-alder naphthoquinone rickert-alder dihydroanthraquinone anthrahydroquinone papermaking digester additive redox catalyst paper pulp cellulose hemicellulose safety substance matter material compound component agent stuff reagent functional group precursor production building block molecule molecular formula skeletal structural structure geometry ball stick chemistry 3d