DDR Inhibitor is a potent discoidin domain receptor (DDR) inhibitor, with an IC 50 of 3.3 nM for DDR2 , and shows 53% inhibition on DDR1 at 1.5 nM. In Vitro DDR Inhibitor (Example 6) is a potent DDR inhibitor, with an IC 50 of 3.3 nM for DDR2, and shows 53% inhibition on DDR1 at 1.5 nM. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Form:Solid IC50& Target:IC50: 3.3 nM (DDR2), IC53: 1.5 nM (DDR1)