(Rac)-RK-682
(Rac)-RK-682, a racemate of RK-682, is a protein tyrosine phosphatases (PTPases) inhibitor. (Rac)-RK-682 inhibits protein tyrosine phosphatase 1B (PTP-1B), low molecular weight protein tyrosine phosphatases (LMW-PTP), and cell division cycle 25B (CDC-25B) with IC50s of 8.6 μM, 12.4 μM, and 0.7 μM, respectively.