Novel 4-[(bicyclic heterocycly(ymethyl and -hetero]-piperidines of formula
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 compositions
新型 4-[(双环杂环
甲基和杂环)-
哌啶类化合物,其式为
其中 B 是
CH2、O、S、SO 或 SO2;药学上可接受的酸加成盐及其可能的立体
化学异构形式,这些化合物是抗过敏剂,含有这些化合物作为活性成分的药物组合物以及制备上述化合物和组合物的工艺