NELFINAVIR

Nelfinavir (Viracept®) is an antiretroviral drug used in the treatment of the human immunodeficiency virus (HIV). Nelfinavir belongs to the class of drugs known as protease inhibitors (PIs) and like other PIs is generally used in combination with other antiretroviral drugs. Nelfinavir is presented as the mesilate (mesylate) ester prodrug.
See more at Wikipedia.org...

Nelfinavir /nel·fin·a·vir/ an HIV protease inhibitor that causes formation of immature, noninfectious viral particles; used as the mesylate salt in [more]Nelfinavir - Community and Resources

Noun
1. a protease inhibitor (trade name Viracept) used in treating HIV usually in combination with other drugs
(synonym) Viracept
(hypernym) protease inhibitor, PI