| abstract |
Novel 4-[(bicyclic heterocyclyl)methyl and -hetero]-piperidines of formula <CHEM> wherein B is CH2, O, S, SO or SO2; the pharmaceutically acceptable acid addition salts and the possible stereochemically isomeric forms thereof, which compounds are anti-allergic agents, pharmaceutical compositions containing such compounds as an active ingredient and processes for preparing the said compounds and compositionsn[EP0151826A1] |