however , the adenosine analogues , l-n6-phenylisopropyladenosine and 5 ' n-ethylcarboxamidoadenosine which , like muscarinic agonists depress cardiac contractility , did not affect inositol phosphate accumulation at concentrations up to 10 ( -4 ) mol/l .
C0001443
adenosine
C0050789
5 ' n-ethylcarboxamidoadenosine