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: Unknown
All are Anti - VEGF EXCEPT: 
Select and explain. 
A. Pegaptanib, B. 5FU, C. Bevacizumab, D. Ranibizumab
B: 5FU
Answer: B: 5FU 
Explanation: Ans. (b) 5FU Ref.: A.K. Khurana 6th ed. I251-52 * Anti-VEGF is a class of drug which are used for the treatment of diabetic retinopathy with neovascularization (proliferative diabetic retinopathy-PDR). * Available anti-VEGF are: Ranibizumab, Bevacizumab, Pegaptanib. * Note: TOC for PDR- Laser photocoagulation