WQ 1 is a high affinity and selective σ1 receptor antagonist with pKi values of 10.85, 6.53 and 5.80 at σ1, σ2 receptors and dopamine transporter (DAT), displaying σ1/σ2 selectivity ratio of 20893.
[1] Del Bello F, et al. ACS Chem Neurosci. 2019 Aug 21;10(8):3391-3397.
















