| abstract |
The invention relates to the use of a compound of the formula I (see formula (I)) and the therapeutically acceptable salts thereof, more particularly where u = methyl, vyw = H, x = F, y = Cl, z = F, A = H or aminomethyl and pharmaceutically acceptable addition salts with mineral or organic acids, for the production of a medicament for the treatment of symptoms of chronic pain of neuropathological or psychogenic origin. |