MKK7-COV-3 (MKK7 Covalen inhibitor 3) is a potent, selective, covalent MKK7 inhibitor with in vitro IC50 of 5 nM, displays >1,000-fold selectivity over MKK4 (IC50=7.81 uM), shows EC50 of 1.3 uM for reduction of p-JNK in ICW assays in Beas2B cell line, wit