Table 2. Cell-Based Antiviral Activity of PAP Derivatives 22–27 with RHS Modifications.
EC50 is the concentration of compound that inhibits HIV-1 replication by 50%. For compounds 22–27, the values are the geometric mean of two determinations; all individual values are within 25% of the mean.
CC50 is the cytotoxic concentration of compound that reduces viability of uninfected cells by 50%.
Nevirapine (NVP) was used as a positive control.
Solubility of HCl salt in distilled water.