NNRT-IN-9 (Compound EG28) is a non-nucleoside reverse transcriptase inhibitor (NNRT). It demonstrates strong antiviral and resistance-fighting activity against wild-type (WT) and various clinically relevant mutant strains (E138K and K103N + Y181C) of HIV-1, with EC50 values of 55 nM, 67 nM, and 3910 nM, respectively. NNRT-IN-9 is applicable in acquired immunodeficiency syndrome (AIDS) research.

HIV-1 (WT):55 nM (EC50)