AS-041164 from Cayman Chemical

A potent inhibitor of PI3K with selectivity for the class IB isoform PI3Kγ (IC50 = 70 nM), compared to PI3Kα (IC50 = 240 nM), PI3Kβ (IC50 = 1.45 µM), and PI3Kδ (IC50 =1.70 µM); shows little or no activity against 38 other common kinases