9-(2-methoxy-vinyl)-benzo[g]chrysene

5,6-dihydro-4H-benzo[a]phenalene

7-bromo-5,6-dihydro-4H-benz[de]anthracene

7-(2-formylphenyl)-5,6-dihydro-4H-benz[de]anthracene

1-Phenylbenz[a]anthracen