This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
The following sympathomimetic amine has agonistic action on a1 + a2 + b1 + b3 adrenoceptors, but not on b2 receptors 
Select and explain. 
A. Phenylephrine, B. Isoprenaline, C. Noradrenaline, D. Adrenaline
C: Noradrenaline
Answer: C: Noradrenaline 
Explanation: Ref:- kd tripathi; pg num:-130