hofstee plot analysis of l-isoproterenol inhibition curves showed a linear plot at 37 degrees c and a curvilinear plot at 25 degrees c , whereas l-epinephrine and l-norepinephrine showed curvilinear plots at both temperatures , but with different relative distributions and affinities of the components .
C0014563
epinephrine
C0028351
l-norepinephrine