NECA產品是NECA is a high affinity adenosine receptor agonist (Ki?values are 6.2, 14, and 20 nM for human A3, A1?and A2A?receptors respectively; EC?? = 2.4?μM for human A2B). NECA is also reported to act as a potent vasodilator and can inhibit platelet aggregation by increasing cAMP (EC???= 3.1 μM).