structural congeners of adenosine also attenuated the elaboration of these two mediators from stimulated basophils and a rank order of potency for the inhibition was observed following the sequence 2-chloroadenosine greater than or equal to n-ethylcarboxamidoadenosine ( neca ) greater than adenosine greater than or equal to r-phenylisopropyladenosine ( r-pia ) greater than or equal to s-pia .
C0001443
adenosine
C0031484
phenylisopropyladenosine