YKL-5-124 is a novel potent, selective, and covalent CDK7 inhibitor (IC50=53.5 nM), inhibits CDK7/CycH/MAT1 enzymatic activity with IC50 of 9.7 nM.

THZ1 2HCl is a selective, covalent, and allosteric inhibitor of CDK7 with an IC50 of 3.2 nM. THZ1 2HCl has antiproliferative effects on a variety of cancer cell lines.

PF-06873600 (PF06873600, PF 06873600) is a potent, orally bioavailable inhibitor of cyclin-dependent kinase (CDK) with Ki values of 0.09 nM, 0.13 nM and 0.16 nM for CDK2, CDK4 and CDK6, respectively.