| abstract |
Compounds of formula (I) are described in which R, R and R, which may be the same or different, each independently from each other, represents a group selected from a hydrogen atom, a halogen atom, a linear or branched (C — C) alkoxy group, linear or branched A (C-C) trihaloalkyl group, or two of R, R and R at adjacent positions represent a (C-C) alkylenedioxy group; R represents a group selected from a hydrogen atom, a linear or branched (C-C) alkyl group, an aryl (C-C ) an alkyl group in which the alkyl part is linear branched or branched; R represents an aryl group, an optionally substituted aryl group, a heteroaryl group or an optionally substituted heteroaryl group; n represents an integer from 1 to 2 inclusive, their isomers and their addition salts with a pharmaceutically acceptable acid or base. Medicines |