1) Nnrti 2) Viramune 1) Viramune 
<drug> A non-nucleoside reverse transcriptase inhibitor (see NNRTI) that has shown antiviral activity in people with AIDS, although resistance is quick to develop. Possible side effects include severe rash, fever and liver impairment. ... (09 Oct 1997) ... 
(nә-vir´ә-pēn) a nonnucleoside human immunodeficiency virus-1 (HIV-1) reverse transcriptase inhibitor that acts by interfering with the ability of the virus to replicate; used in combination with other antiretroviral agents in treatment of HIV-1 infection, administered orally.
Viramune noun a non-nucleoside reverse transcriptase inhibitor (trade name Viramune) used to treat AIDS and HIV