#$%^&*AU2011202293B220130110.pdf#####C-NRPonbl DCC DX7164K61_l .DOC-16/05/2011 ABSTRACT The present invention is directed to the use of compounds of the formula (I) for treating pain, in particular neuropathic pain, bipolar disease and migraine headaches. R2 R--NH+C -- CNH- C-R 1 0 R3 0 (I)