bd1008 bd1008 bd1008 or n--n-methyl-1-pyrrolidineethanamine is a selective sigma receptor antagonist, with a reported binding affinity of ki = 2 ± 1 nm for the sigma-1 receptor and 4 times selectivity over the sigma-2 receptor. bd1008identifiers iupac name n--n-methyl-1-pyrrolidineethanamine cas number138356-08-8 ypubchem cid126388chemspider112324uniijcy43qe7fqcomptox dashboard (epa)dtxsid60160639 chemical and physical dataformulac15h22cl2n2molar mass301.26 g·mol−13d model (jsmol)interactive image smiles cn(ccc1ccc(c(c1)cl)cl)ccn2cccc2 inchi inchi=1s/c15h22cl2n2/c1-18(10-11-19-7-2-3-8-19)9-6-13-4-5-14(16)15(17)12-13/h4-5,12h,2-3,6-11h2,1h3key:asgiquhbavioti-uhfffaoysa-n consistent with other reported sigma receptor antagonists, pretreating swiss webster mice with bd1008 significantly attenuates the behavioral toxicity of cocaine, and may be potentially useful in the development of antidotes for the treatment of cocaine overdose.