This invention is directed to new potent and selective antagonists of H
1
histamine receptors having the general formula I
to processes for their preparation; to pharmaceutical compositions comprising them; and to their use in therapy as antiallergic agents.
本发明涉及一种新的,具有一般式的H1
组胺受体拮抗剂,该拮抗剂具有高效和选择性,以及制备它们的方法;包含它们的制药组合物;以及将它们用作抗过敏剂的治疗。