229-87-8 3,4-Benzoisoquinoline 3,4-Benzoquinoline 5-20-08-00223 (Beilstein Handbook Reference) 5-Azaphenanthrene 6-Phenanthridine 9-Azaphenanthrene BRN 0120204 Benzo(c)quinoline CCRIS 1234 EINECS 205-934-4 NSC 73482 PHENANTHRIDINE