Phenoxypropoxy halophenylacetic acids as leukotriene antagonists
 Compounds of the formula: ##STR1## are antagonists of leukotrienes of C.sub.4, D.sub.4 and E.sub.4, the slow reacting substance of anaphylaxis. These compounds are useful as anti-asthmatic, anti-allergic and anti-inflammatory agents. 
Merck Frosst Canada, Inc.
C C C C C C C
C07C C07D C07C C07C C07D C07C C07C
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Yvan Patrice Christiane Joshua Rejean
Guindon Belanger Yoakim Rokach Fortin