Table 4. Summary of Compound 15.

| In Vitro | |
|---|---|
| CDK8 IC50 (nM) | 1 |
| CDK19 IC50 (nM) | 2 |
| Clinta (μL·min–1·mg–1) | 15 |
| In Vivo Mouse PKb | |
|---|---|
| CMaxc (μM) | 1.04 |
| AUClast (min × ng/mL)c | 51863 |
| T1/2c (h) | 1.3 |
| Cl (mL·min–1·kg–1) | 17 |
| Vss (L/kg) | 0.8 |
| F (%) | 8 |
Mouse hepatocytes.
Formulation: 0.2 mg/mL (IV) and 1 mg/mL (PO) solution in 5/95 DMSO/30% Captisol; 2 mg/kg IV dose and 10 mg/kg PO dose.
Following PO dose.