| abstract |
The present invention concerns nitrooxy derivatives or salts thereof having the following General Formula: R-NR1C- (K) ko- (B) bo- (C) co-NO2 (1), wherein c0, b0 and k0 are 0 or 1; R is the radical of an analgesic drug for chronic pain, for example neuropathic pain; R1c is H or alkyl with 1 to 5 carbon atoms; B is such that its precursor is selected from amino acids, hydroxyacids, compound polyols; C is a bivalent radical consisting of a heterocyclic or aromatic aliphatic radical. |