Compounds of general formula I ##STR1## are disclosed and claimed in the present application, as well as their pharmaceutically acceptable salts, pharmaceutical compositions comprising the novel compounds and their use in therapy, in particular in the management of pain.
CROSS REFERENCE TO RELATED APPLICATION
The present application represents U.S. national stage of international application PCT/SE99/01075 which has an international filing date of Jun. 16, 1999 and which was published in English under Article 21(2) of the PCT on Dec. 29, 1999. The international application claims priority to Swedish application 9802209-8 filed on Jun. 22, 1998.
