"Humans and other mammals"@en . . . . . . "Etorphine is an agonist at mu, delta, and kappa opioid receptors. It also has a weak affinity for the ORL1 nociceptin/orphanin FQ receptor."@en . . . "illicit"@en . . . " "@en . . . . . . . . . . . . "A narcotic analgesic morphinan used as a sedative in veterinary practice. In Hong Kong, Etorphine is regulated under Schedule 1 of Hong Kong's Chapter 134 Dangerous Drugs Ordinance. It can only be used legally by health professionals and for university research purposes. The substance can be given by pharmacists under a prescription. In the US, Etorphine is listed as a Schedule I drug, although Etorphine hydrochloride is classified as Schedule II."@en . . . . . "Etorphinum"@en . "14521-96-1"@en . . . . . . "Etorphine"@en . . . . . . . . " "@en . . . .