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
Alkylating agents are all except ? 
Select and explain. 
A. Buslfan, B. Carmustine, C. Dacarbazine, D. Etoposide
D: Etoposide
Answer: D: Etoposide 
Explanation: Ans. is `d' i.e., Etoposide