3d image of fluorene skeletal formula

fluorene 9h-fluorene tricyclohexaene naphthalene fluorescence coal tar polycyclic aromatic hydrocarbon incomplete combustion plastics nucleophile ligand cyclopentadienide precursor 9-fluorenylmethyl chloroformate protecting group peptide synthesis polyfluorene polymer electroluminescent luminophore organic light-emitting diodes electrically conductive fluorene dyes substance matter material compound component agent stuff reagent functional group reaction production molecule molecular formula skeletal structural structure chemistry science scientific research organic chemical 3d model