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
Which of the following is a metabolite of carisoprodol ? 
Select and explain. 
A. Doxylamine, B. Meprobromate, C. Dimethadione, D. Amphetamine
B: Meprobromate
Answer: B: Meprobromate 
Explanation: None