290211 Cyclohexane
290219 Other Cyclanes, Cyclenes and Cycloterpens Hydrocarbons
290220 Benzene
290230 Toluene
290241 O-xylene
290242 M-xylene
290243 P-xylene
290244 Mixed Xylene Isomers
290250 Styrene
290260 Ethylbenzene
290270 Cumene
290290 Other Cyclic Hydrocarbons