2-Hexynyl-5′-N-ethylcarboxamidoadenosine
2-Hexynyl-5′-N-ethylcarboxamidoadenosine (HENECA) is a selective A2A adenosine receptor agonist. 2-Hexynyl-5′-N-ethylcarboxamidoadenosine increases intracellular cAMP level, and inhibits TNFα-evoked MMP-3 release. 2-Hexynyl-5′-N-ethylcarboxamidoadenosine induces Aβ42 production in SH-SY5Y cells[3].