This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drugs (C.N.S.), Subject name: Medicine
Recent oral direct thrombin inhibitor which cen be used for prevention of stroke is - 
Select and explain. 
A. Dabigatran, B. Ximelagatron, C. Lepirudin, D. Saxagliptin
A: Dabigatran
Answer: A: Dabigatran 
Explanation: Ans. is 'a' i.e., Dabigatran