Triphenylen Chrysen Coronen Picen Pentapheno Benzo[ghi]perylen Benzo[e]pyren Benzo(r s t)pentaphen Benzo[def]chrysen Dibenzo[def,mno]chrysen Dibenz[a,h]anthracen Dibenzo[def,p]chrysen Benzo[b]chrysen Dibenzo[b,def]chrysen Dibenzo[g,p]chrysen Dibenzo[a,l]pentacen Benzo[a]pentacen Benzo[pqr]picen