the adenosine analogs n-cyclopropylcarboxamido adenosine ( n-cpca ) , 2-chloroadenosine ( 2-cla ) and r- and s-phenylisopropyl adenosine ( r-pia and s-pia ) also reduced pressor responses to both es and pe , with the potency order : n-cpca greater than r-pia greater than 2-cla greater than s-pia .
C0000275
2-chloroadenosine
C0001443
n-cpca