4-(3-bromo-8-chloro-5,6-dihydro-9-amino-11H-benzo-(5,6)cyclohepta(1,2-b)pyridin-11-ylidene)-1-piperidinecarboxylic acid ethyl ester

4-(3-bromo-8-chloro-5,6-dihydro-9-nitro-11H-benzo-(5,6)cyclohepta(1,2-b)pyridin-11-ylidene)-1-piperidinecarboxylic acid ethyl ester

4-<3,10-dibromo-8-chloro-5,6-dihydro-9-amino-11H-benzo-<5,6>cyclohepta<1,2-b>pyridin-11-ylidene>-1-piperidinecarboxylic acid ethyl ester

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

8-氯-3,10-二溴-5,6-二氢-11H-苯并[5,6]环庚烷并[1,2-B]吡啶