This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
Which of the following drug is not an adrenergic blocking neurone drug 
Select and explain. 
A. Reserpine, B. Guanithidine, C. Bretylium, D. Minoxidil
D: Minoxidil
Answer: D: Minoxidil 
Explanation: Refer kDT 6/e p516 Minoxidil is a medication used for the treatment of male-pattern hair loss. It is an antihypeensive vasodilator