203-64-5 4,5-METHYLENEPHENANTHRENE 4,5-Phenanthrylenemethane 4-05-00-02409 (Beilstein Handbook Reference) 4-H-Cyclopenta(d,e,f)phenanthrene 4H-Cyclopenta(def)phenanthrene AI3-52512 BRN 2043908 Benzo(def)fluorene CCRIS 5797 EINECS 205-905-6 Methane, 4,5-phenanthrylene- Methylenephenanthrene NSC 88888 Phenanthrene, 4,5-methylene-