This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
Not true about fosphenytoin is: 
Select and explain. 
A. Used for GTCS, B. Prodrug of phenytoin, C. Lipid soluble, D. Highly protein bound
C: Lipid soluble
Answer: C: Lipid soluble 
Explanation: Fosphenytoin is water soluble prodrug of phenytoin development to overcome the difficulties in I.v. administration of phenytoin. REF: KD Tripathi 8th ed.