Skepinone-L is a selective p38α-MAPK inhibitor with IC50 of 5 nM.

ERK5-IN-1 is a potent, and selective ERK5 inhibitor with IC50 of 162 nM.  

JNK inhibitor IX is a selective and potent JNK inhibitor with pIC50 of 6.5 and 6.7 for JNK2 and JNK3, respectively.

FR 180204 is an ATP-competitive, selective ERK inhibitor with Ki of 0.31 μM and 0.14 μM for ERK1 And ERK2, respectively. It is 30-fold less potent against the related kinase p38α and failed to inhibit any kinases(MEK1, MKK4, IKKα, PKCα, Src, Syc, and PDGFα) at less than 30 μM.

Vacquinol-1 is an MKK4 activator, which rapidly and selectively induces glioma cell death.  

GDC-0623 is a potent and ATP-uncompetitive MEK1 inhibitor with Ki of 0.13 nM.  

DTP3 is a selective GADD45β/MKK7 inhibitor, which inhibits cancer-selective NF-κB survival pathway.  

OTS964 is a potent TOPK inhibitor with high affinity and selectivity and IC50 value is 28 nM.