The compounds represented by the following structural formula (I) ##STR1## wherein m and n are independently 1, 2 or 3; R.sub.1 is an C.sub.8 to C.sub.13 alkyl radical and pharmaceutically acceptable salts thereof have been found to be leukotriene antagonists and useful in the treatment of diseases in which leukotrienes are a factor, such as asthma.
以下结构式(I)所代表的化合物##
STR1##其中m和n独立地为1、2或3;R.sub.1是C.sub.8至C.sub.13烷基基团及其药学上可接受的盐,已被发现是
白三烯拮抗剂,并且在
白三烯是因素的疾病治疗中很有用,例如哮喘。