selected from the group consisting of phenyl substituted phenyl heterocyclic groups and substituted heterocyclic groups said substituted phenyl and substituted heterocyclic groups being substituted with 1 or 2 substituents independently selected from the group consisting of c 1 c 6 alkyl trifuluoromethyl and halogen r 3 and r 4 are independently selected from the group consisting of hydrogen halogen c 1 c 6 alkyl or trifluoromethyl or r 3 and r 4 taken together with the carbon atoms to which they are attached form a six membered carbocyclic aromatic ring said aromatic ring being optionally substituted with one or two substituents selected from the group consisting of halogen c 1 c 6 alkyl and c 1 c 6 alkyl substituted with 1 2 or 3 halogen atoms and the pharmaceutically acceptable salts thereof the compounds are useful in treating inflammation or other prostaglandin or leukotriene mediated diseases application_number US 44562995 A description the compounds of the present invention may be prepared as described in the following reaction scheme str6 in the foregoing reaction scheme r 1 r 2 r 3 and r 4 are as defined above the compound of the formula v is reacted in an inert solvent with clcoch.