3d image of indene skeletal formula

indene benzocyclopentadiene indonaphthene flammable polycyclic hydrocarbon cyclopentene ring aromatic coumarone thermoplastic resin indane sulindac coal-tar fractions deprotonation polymerises ligand organometallic chemistry transition metal indenyl complexes organolithium substance matter material compound component agent stuff reagent functional group precursor synthesis reaction production building block molecule molecular formula skeletal structural structure geometry ball stick science scientific research organic chemical 3d