4-<3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo<5,6>cyclohepta<1,2-b>pyridin-11-yl>-1-piperazine

3,10-dibromo-8,11-dichloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine

4-(8-chloro-3-bromo-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidine-1-carboxylic acid ethyl ester

3-bromo-8-chloro-5,6-dihydro-9-nitro-11H-benzo<5,6>cyclohepta<1,2-b>pyridin-11-one

3,10-dibromo-8-chloro-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol