Compounds of the formula ##STR1## wherein R, R1, R2, R3, R4, R5 and n have {HEAD ~ the meanings} reported in {TAIL ~ the specification}, processes for their preparation and pharmaceutical compositions containing them as active ingredient are described 
Compounds of the formula # # STR1 # # wherein R , R1 , R2 , R3 , R4 , R5 and n have { HEAD ~ the meanings } reported in { TAIL ~ the specification } , processes for their preparation and pharmaceutical compositions containing them as active ingredient are described
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