| 摘要 |
There are disclosed compounds of the formula <IMAGE> wherein Z is CR or N, when n=1; or Z is O, S, or NR, when n=0; n is 0 or 1; p is 1-10; R1 is hydrogen, loweralkyl, loweralkoxy or halo; R2 is hydrogen, loweralkyl, loweralkoxy or halo; or R1 and R2 taken together form a benzene ring; and the pharmaceutically acceptable salts thereof, and their use in the treatment of leukotriene-mediated naso-bronchial obstructive airpassageway conditions, such as allergic rhinitis, allergic bronchial asthma and the like.
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