| abstract |
The present invention relates to compounds of formula (I) and to medicaments:n n n n n n n n Wheren n n R a is a hydroxy, alkoxy, aryloxy or arylalkyloxy group,n n n A is a CH group or a nitrogen atom, in which case R 1 is defined as described herein, orn n n R 1 -A together are an oxygen atom Groups, wherein R 3 and R 4 are defined as described in the specification,n n n R 2 is a hydrogen atom or an alkyl group,n n n R b and R c may be the same or different and each is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group or a trihaloalkyl group,n n n n is an integer from 2 to 6,n n n m and p are integers from 0 to 6. |