naphthalene skeletal formula and molecular structure

albocarbon antimite aromatic background benzene black c10h8 camphor carbon carcinogen carcinogenic chemical chemistry compound english flakes formula hexalene hydrocarbon illustration model molecular molecule moth mothball mothballs naphthalene naphthalin naphthaline nomenclature organic pah pollutant polyaromatic polycyclic polynuclear priority ring science skeletal structure substance symbol tar vector white