Erizepine is an octopamine receptor class 3 (OAR3) antagonist with a Ki of 474 nM. Erizepine can be utilized in insect research[1].
References
[1] Roeder T, et al. High-affinity antagonists of the locust neuronal octopamine receptor. Eur J Pharmacol. 1990 Nov 27;191(2):221-4. DOI:10.1016/0014-2999(90)94151-m
