aromatic hydrocarbon

unsaturated hydrocarbons containing at least one carbon-carbon double bond

An aromatic hydrocarbon, typically containing a benzene ring.

haloalkane (obtained from hydrocarbon by substituting halogen for hydrogen, e.g. chlorobenzene or the CFCs)

(chemistry) alkyne

cyclic hydrocarbon (containing one or more rings of atoms, such as a benzene ring)

alicyclic hydrocarbon (i.e. involving ring other than benzene ring)