Mixed non-peptide neuropeptide Y Y 1 (NPY Y 1 ) and neuropeptide FF (NPFF) receptor antagonist (K i values are 1.1, 79, 108, > 1000, > 1000 and >1000 for rNPY Y 1 , hNPFF 2 , rNPFF, rNPY Y 2 , rNPY Y 4 and rNPY Y 5 respectively). Produces an anxiogenic-like effect in rats following i.c.v. administration.
