SNC 80 is a selective non-peptide agonist of the δ-opioid receptor (Ki = 0.18 nM, IC50 = 2.73 nM) that is over 2,000-fold less effective at the μ-opioid receptor. It effectively activates μ/δ receptor heteromers (EC50 = 52.8 nM) but not κ/δ or μ/κ heteromers. SNC 80 has antinociceptive as well as pro-convulsant effects in vivo.
