Levetimide is a potent and stereoselective inhibitor of [3H](+)pentazocine binding, with a Ki of 2.2 nM[1].
Levetimide potently inhibits [3H]DTG binding although without stereoselectivity (Ki value of 103 nM) [1].
[1]. DeHaven-Hudkins DL, et al. Binding of dexetimide and levetimide to [3H](+)pentazocine- and [3H]1,3-di(2-tolyl)guanidine-defined sigma recognition sites. Life Sci. 1991;49(18):PL135-9.
















