<prompt> Which ofthe following antiretroviral drugs is a non- nucleoside reverse transcriptase inhibitor -ZidovudineEirenzSaquinavirStavudine  <response>: Anti-Retroviral drugs Nucleoside reverse transcriptase inhibitors Nis : Zidovudine AZT, Didanosine, Zalcitabine,Stavudine, Lamivudine, Abacavir Nonnucleoside reverse transcriptase inhibitorsNNis : Nevirapine, Eirenz, Delavirdine Protease inhibitors : Ritonavir, Indinavir, Nelfinavir, Saquinavir, Amprenavir, Lopinavir Ref Harrison 20th edition pg 878 