. . . . . . . . . . . . . . . . "experimental"@en . . . . "A stable adenosine A1 and A2 receptor agonist. Experimentally, it inhibits cAMP and cGMP phosphodiesterase activity. [PubChem]"@en . . . . . . . . . . . . . . . "N-Ethyl-5'-Carboxamido Adenosine"@en . .