An adenosine receptor antagonist (IC50s = 3.5, 4.2, 16, and 51 nM for human recombinant A1, A2A, A2B, and A3 receptors); binds p100γ and inhibits proliferation of HCC and PDAC cells through the PI3K/Akt signaling pathway; increases locomotor activity in rats in a dose-dependent manner; reinforces and reinstates cocaine-seeking in baboons,