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: Medicine
Agents Recommended for treatment of chronic Hepatitis B include all of the following, Except. 
Select and explain. 
A. Interferon, B. Lamuvudine, C. Adefovir, D. Famcyclovir
D: Famcyclovir
Answer: D: Famcyclovir 
Explanation: Answer is D (Famcyclovir) Fannyclovir is not an approved drug for treatment of chronic hepatitis B Seven drugs have been approved for treatment of chronic Hepatitis B (Harrisons) Interferon alpha and Pegylated Interferon (PEG) Lamuvudine (oral) Adefovir (oral) Entecavir (oral) Dipivoxil (oral) Telbivudine Tenofovir