isoproterenol ( 1.0x10 ( -8 ) - 1.0x10 ( -4 ) m ) , pge2 ( 3x10 ( -8 ) -3x10 ( -6 ) m ) , adenosine ( 10 ( -7 ) - 10 ( -4 ) m ) and phenylisopropyladenosine ( 10 ( -8 ) - 10 ( -4 ) m ) caused a dose dependent increase in cyclic amp accumulation .
C0001443
adenosine
C0031484
phenylisopropyladenosine