同義語
4H-Cyclopenta[def]phenanthrene; Benzo[def]fluorene; Methane, 4,5-phenanthrylene-; Methylenephenanthrene; Phenanthrene, 4,5-methylene-; 4,5-Methylenephenanthrene; 4,5-Phenanthrylenemethane; Cyclopentaphenanthrene; Cyclopenta[def]phenanthrene; NSC 88888; 4H-Cyclopenta[def]phenathrene; 4H-Cyclopenta[drf]phenanthrene