De har ingen affinitet for en lang række neurotransmitterreceptorer inklusive serotonerge (5- HT1, 5- HT1A, 5- HT1B, 5- HT2A, 5- HT2C), adrenerge (β1, β2, β3, α1, α2), dopaminerge (D1- lignende, D2- lignende), muskarine, histaminerge (H1), benzodiazepin og NMDA- receptorer.
alcohol (where the patient died, possibly due to inhalation of vomit), there were no complications and the individuals made a full recovery.