10-Azaanthracene 2,3,5,6-Dibenzopyridine 2,3-Benzoquinoline 260-94-6 5-20-08-00199 (Beilstein Handbook Reference) 9-Azaanthracene ACRIDINE AI3-15279 Acridine [UN2713] [Poison] Acrydine Akridin [Czech] BRN 0120200 Benzo(b)quinoline CCRIS 1636 Coal tar pitch volatiles: acridine Dibenzo(b,e)pyridine EINECS 205-971-6 HSDB 634 NSC 3408 UN2713