CpCDPK1/TgCDPK1-IN-1 (compound 7p) is a potent CpCDPK1/TgCDPK1 dual inhibitor ( IC 50 : 10 nM and 5.0 nM respectively). CpCDPK1/TgCDPK1-IN-1 also inhibits Abl and Src ( IC 50 : 75 nM and 65 nM respectively). CpCDPK1/TgCDPK1-IN-1 can be used for research of toxoplasmosis.