A2B receptor antagonist 2 (compound 18) is an adenosine receptor A2B antagonist, with Ki values of 2.30 μM, 6.8 μM and 3.44 μM for rA1, rA2A and hA2B, respectively[1].
[1]. Thomas R Webb, et al. Quinazolines as adenosine receptor antagonists: SAR and selectivity for A2B receptors. Bioorg Med Chem. 2003 Jan 2;11(1):77-85.
















