RF9

Description: RF9 is an effective and selective antagonist of the Neuropeptide FF receptor (Kis: 58±5 and 75±9 nM for hNPFF1R and hNPFF2R, respectively). Target: Others. Smiles: NC(=N)NCCC[C@H](NC(=O)C12CC3CC(CC(C3)C1)C2)C(=O)N[C@@H](Cc1ccccc1)C(N)=O. References: Simonin F, et al. RF9, a potent and selective neuropeptide FF receptor antagonist, prevents opioid-induced tolerance associated with hyperalgesia. Proc Natl Acad Sci U S A. 2006 Jan 10,103(2):466-71.