CM156 (3-(4-(4-cyclohexylpiperazin-1-yl)butyl)benzo[d]thiazole-2(3H)-thione) is a piperazine based chemical compound with nanomolar affinity for both sigma receptor subtypes that has been shown to counteract the deleterious effects of administered cocaine.
- Xu, Y. T.; Kaushal, N.; Shaikh, J.; Wilson, L. L.; Mesangeau, C.; McCurdy, C. R.; Matsumoto, R. R. (2010). "A Novel Substituted Piperazine, CM156, Attenuates the Stimulant and Toxic Effects of Cocaine in Mice". Journal of Pharmacology and Experimental Therapeutics. 333 (2): 491–500. doi:10.1124/jpet.109.161398. ISSN 0022-3565.