Background:

Rivanicline oxalate (RJR-2403 oxalate; (E)-Metanicotine oxalate) is a neuronal nicotinic receptor agonist, showing high selectivity for the α4β2 subtype (Ki=26 nM); >1,000 fold selectivity than α7 receptors(Ki= 3.6 μM).

参考文献:
[1]. Bencherif M, et al. RJR-2403: a nicotinic agonist with CNS selectivity I. In vitro characterization. J Pharmacol Exp Ther. 1996 Dec;279(3):1413-21.
[2]. Lippiello PM, et al. RJR-2403: a nicotinic agonist with CNS selectivity II. In vivo characterization. J Pharmacol Exp Ther. 1996 Dec;279(3):1422-9.
[3]. Damaj MI, et al. Antinociceptive and pharmacological effects of metanicotine, a selective nicotinic agonist. J Pharmacol Exp Ther. 1999 Oct;291(1):390-8.