What do you understand by epinephrine?

Compared with epinephrine, norepinephrine produces all of the following effects EXCEPT:

a) Similar effects on beta1 receptors in the heart and similar potency at an alfa receptor

b) Decrease the mean pressure below normal before returning to the control value

c) Significant tissue necrosis if injected subcutaneously

d) Increase both diastolic and systolic blood pressure