Text this: The significance of 2-furyl ring substitution with a 2-(para -substituted) aryl group in a new series of pyrazolo-triazolo-pyrimidines as potent and highly selective hA3 adenosine receptors antagonists: New insights into structure-affinity relationship and receptor-antagonist recognition

 _    _    _    _    _    _      ___      ____    
| \  / || | || | || | || | ||   / _ \\   |  _ \\  
|  \/  || | || | || | || | ||  / //\ \\  | |_| || 
| .  . || | \\_/ || | \\_/ || |  ___  || | .  //  
|_|\/|_||  \____//   \____//  |_||  |_|| |_|\_\\  
`-`  `-`    `---`     `---`   `-`   `-`  `-` --`