↑Evan E. Bolton, Yanli Wang, Paul A. Thiessen, Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry4: 217-241. DOI:10.1016/S1574-1400(08)00012-1.
↑Vonvoigtlander PF, Lewis RA. Analgesic and mechanistic evaluation of spiradoline, a potent kappa opioid. Journal of Pharmacology and Experimental Therapeutics. 1988 Jul;246(1):259-62. PMID2839665
↑Kunihara M, Ohyama M, Nakano M, Hayashi S. Analgesic activity of spiradoline mesylate (U-62,066E), a kappa opioid agonist in mice. Life Sciences. 1989;45(13):1191-8. PMID2796604
↑Yamada K, Imai M, Yoshida S. Mechanism of diuretic action of U-62,066E, a kappa opioid receptor agonist. European Journal of Pharmacology. 1989 Jan 31;160(2):229-37. DOI 10.1016/0014-2999(89)90495-0 PMID2547626
↑Kamei J, Tanihara H, Kasuya Y. Antitussive effects of two specific kappa-opioid agonists, U-50,488H and U-62,066E, in rats. European Journal of Pharmacology. 1990 Oct 9;187(2):281-6. PMID2272363
↑Holtzman SG. Further characterization of the discriminative stimulus effects of spiradoline. Pharmacology, Biochemistry and Behaviour. 2000 Jul;66(3):517-22. PMID10899364
↑Wadenberg ML. A review of the properties of spiradoline: a potent and selective kappa-opioid receptor agonist. CNS Drug Reviews. 2003 Summer;9(2):187-98. PMID12847558