Variable
dibenzo_ah_anthracene
coronene
cyclopenta_cd_pyrene
dibenzo_ae_pyrene
benzo_bjk_fluoranthenes
benz_a_anthracene
dibenzo_ah_pyrene
dibenzo_ai_pyrene
benzo_a_pyrene
chrysene
benzo_ghi_perylene
benzo_e_pyrene
inden_123cd_pyrene
anthanthrene
perylene
benzo_k_fluoranthene