This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
All of the following are selective f3-blockers except? 
Select and explain. 
A. Atenolol, B. Esmolol, C. Bisoprolol, D. Sotalol
D: Sotalol
Answer: D: Sotalol 
Explanation: Ans. is 'd' i.e., Sotalol