申请人:American Home Products Corporation
公开号:US04837325A1
公开(公告)日:1989-06-06
The compounds ##STR1## in which R is halo or trifluoromethyl; n is one of the integers 2, 3 or 4; or a pharmaceutically acceptable salt thereof are useful as histamine H.sub.1 -receptor antagonists.
化合物##STR1##中,R为卤或三氟甲基;n为整数2、3或4之一;或其药学上可接受的盐,可用作组胺H.sub.1-受体拮抗剂。