Synonyms: 8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one 1-Oxide;8-Chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-β]pyridin-11-one N1-Oxide;8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one 1-Oxide;8-Chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one N1-Oxide