4H-环戊基[def]菲啶-4-酮

1,2,3,3a-tetrahydro-4H-cyclopenta(def)phenanthrene

5-diazo-5H-dibenzo[a,d]cycloheptene

7-methylphenanthro[9,10-c]furan-1,3-dione

4-methyl-9,10-phenanthryne