This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
All the following are target specific oral anticoagulants except 
Select and explain. 
A. Betrixaban, B. Apixaban, C. Dabigatran, D. Rivaroxaban
A: Betrixaban
Answer: A: Betrixaban 
Explanation: Rivaroxaban, apixaban, dabigatran are target specific because they inhibit only factor XA not Factor II They can be given orally Ref: HL Sharma, KK Sharma, 3rd edition, pg no: 685