Which of the following statements is true about the prodrug?
1) It is hydrolyzed invivo to the drug
2) It is converted into a monophosphate form via thymidine kinase within herpes infected cells
3) Guanosin monophosphate kinase converts it to triphosphate form
4) The triphosphate form inhibits viral DNA polymerase and incorporates into viral DNA acting as a chain terminator due to the lack of a 3' hydroxy
