9 - chlorine - 6,11 - dihydroric - 11 - (4 - piperidylideen 5h) - - - benzou00c45,6u00dccycloheptau00c41,2 bu00dcpyridine and salts thereof, processes for production thereof and pharmaceutical compositions.these compounds contain.

摘要

The compound, 8-chloro-6,11-dihydro -11- (4-piperidylidene)-5H-benzo [5,6] cyclohepta [1,2-b] pyridine, and the pharmaceutically acceptable salts thereof possess anthihistaminic properties with substantially no sedative properties. Methods for preparing and using the compound and salts are described.