epinephrine stimulates the binding by the heart mitochondria and decreases the intensity of this process in the liver and heart nuclei and liver mitochondria as compared to norepinephrine , adrenoxyl is weaker in activation of [ 125i ] triiodothyronine binding by the heart mitochondria and stronger in intensification of binding by the liver nuclei .
C0014563
epinephrine
C0028351
norepinephrine