Method of inhibiting mammalian leukotriene biosynthesis
 Phenothiazine derivatives and analogs thereof having the Formula I are useful as inhibitors of the biosynthesis of mammalian leukotrienes. As such, these compounds are useful therapeutic agents for treating allergic conditions, asthma, cardiovascular disorders and inflammation, and are useful as cytoprotective agents. ##STR1## 
Merck Frosst Canada, Inc.
C C C C C C
C07D C07D C07D C07D C07D C07D
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Cheuk K. Christiane Rejean Joshua Yvan
Lau Yoakim Fortin Rokach Guindon