Grazoprevir, a second generation hepatitis C virus protease inhibitor acting at the NS3/4a protease targets, has good activity against a range of hepatitis C virus genotype variants, including some that are resistant to most currently used antiviral medic
AG-7404 is a potent protease inhibitor with anti-poliovirus activity. AG-7404 was active against all virus with EC50 values ranging from 0.080 to 0.674 μM. AG-7404 was fully active against V-073-resistant variants with EC50 values ranging from 0.218 to 0.
SM111 inhibits in vitro replication of HIV-1, including strains resistant to reverse transcriptase, licensed protease, and integrase inhibitors, without major cellular toxicity.
CI-1029 is an HIV protease inhibitor that is effective against mutant HIV proteases and drug-resistant HIV strains. It has excellent protease activity, good antiviral efficacy in cell tests, and has good bioavailability in a variety of animal species.
BI-1388 is a highly potent inhibitor of HCV NS3 protease activity, inhibiting viral replication for various HCV genotypes and for resistant mutants D168V and R155K.