5-Methoxy-8-chloro-11-(1-methyl-4-piperidinyl)-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ol

8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinylidene)-5H-benzo<5,6>cyclohepta<1,2-b>pyridin-5-one

8-Chloro-6,11-dihydro-11-(1-methyl-4-piperidinyl)-5,11-epoxy-5H-benzo[5,6]cyclohepta[1,2-b]pyridin-5-ol

Ethyl 4-[8-Chloro-5-[(ethoxycarbonyl)oxy]-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene]-1-piperidinecarboxlate

2,2,2-Trichloroethyl 4-<8-Chloro-5-<<<(2,2,2-trichloroethyl)oxy>carbonyl>oxy>-11H-benzo<5,6>cyclohepta<1,2-b>pyridin-11-ylidene>-1-piperidinecarboxylate