1-Azanaphthalene 1-Benzazine 2,3-Benzopyridine 91-22-5 AI3-01241 B 500 B-500 Benzo[b]pyridine Benzopyridine CCRIS 547 Chinoleine Chinoline FEMA No. 3470 HSDB 121 Leucol Leucoline Leukol NSC 3396 Quinolin Quinoline (8CI,9CI) USAF EK-218 quinoline