3d image of pentacene skeletal formula

pentacene dibenzanthracene lin-dibenzanthracene lin-naphthoanthracene nsc 90784 benzonaphthacene polycyclic aromatic hydrocarbon benzene ring organic semiconductor ultra-violet visible light oxidation elbs reaction scanning tunneling microscopy monomeric spin tautomeric oligomer polymer dichroic dye liquid crystal ratio fluorescent nematic buckminsterfullerene photovoltaic prototypes thin-film transistors substance matter material compound component agent stuff reagent functional group precursor synthesis production 3d molecule molecular formula skeletal structural structure