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