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It was studied as a potential analgesic, but abandoned because of the dose-limiting effects of dysphoria, which could be expected from a κ-opioid agonist. There was mention of its potential in treating comatose head injury or stroke victims, where that type of side effect would be immaterial.
- Walsh SL, Strain EC, Abreu ME, Bigelow GE (2001). "Enadoline, a selective kappa opioid agonist: comparison with butorphanol and hydromorphone in humans". Psychopharmacology (Berl.) 157 (2): 151–62. doi:10.1007/s002130100788. PMID 11594439.
- Barber A, Gottschlich R (1997). "Novel developments with selective, non-peptidic kappa-opioid receptor agonists". Expert Opin Investig Drugs 6 (10): 1351–68. doi:10.1517/13543718.104.22.1681. PMID 15989506.
- Halfpenny, Paul R. (1990). "Highly selective .kappa.-opioid analgesics. 3. Synthesis and structure-activity relationships of novel N-[2-(1-pyrrolidinyl)-4- or -5-substituted cyclohexyl]arylacetamide derivatives". Journal of Medicinal Chemistry 33 (1): 286–291. doi:10.1021/jm00163a047.