11H-CYCLOHEPTA(b)QUINOLIN-11-ONE, 5,6,7,8,9,10-HEXAHYDRO-2-CHLORO- 2-Chloro-5,6,7,8,9,10-hexahydro-11H-cyclohepta(b)quinolin-11-one 5-21-08-00522 (Beilstein Handbook Reference) 5778-57-4 BRN 1532069