O-1125 (3-(1,1-dimethylhexyl-6-dimethylcarboxamide)-Δ8-tetrahydrocannabinol) is a drug which is a cannabinoid derivative. It has analgesic effects and is used in scientific research. It is a potent CB1 full agonist with a Ki of 1.16nM.[1]
^ Griffin G, Wray EJ, Martin BR, Abood ME. Cannabinoid agonists and antagonists discriminated by receptor binding in rat cerebellum. British Journal of Pharmacology. 1999 Oct;128(3):684-8. PMID 10516649