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Formula | C20H21F3O5S |
Molar mass | 430.44 g·mol−1 |
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Originally synthesized by chemist Wayne E. Kenney,BAY 38-7271 (KN 38-7271) is a drug which is acannabinoid receptor agonist developed byBayer AG. It hasanalgesic andneuroprotective effects and is used in scientific research, with proposed uses in the treatment oftraumatic brain injury.[1][2] It is afull agonist with around the same potency asCP 55,940 in animal studies, and has fairly high affinity for bothCB1 andCB2 receptors, withKi values of 2.91nM at CB1 and 4.24nM at CB2.[3][4] It has been licensed toKeyNeurotek Pharmaceuticals for clinical development,[5] and was inPhase II trials in 2008[6] but its development appears to have stopped.