Eltanexor Z-isomer exhibits different inhibitory effects on Z138, MM15, 3T3 cell lines, with IC50s of 100 nM-50 μM, < 100 nM, > 30 μM, respectively.Eltanexor Z-isomer is the less active isomer of KPT-8602. KPT-8602 is a potent CRM1 inhibitor.
Talabostat isomer mesylate, an isomer of talabostat mesylate, is a potent, nonselective, and orally available inhibitor of dipeptidyl peptidase IV (DPP-IV) with a Ki of 0.18 nM. Talabostat (PT100, Val-boroPro) is notable for its efficacy in inhibiting DPP-IV.