Table 6  Viral Inhibition by 4
virus  EC50 (μM)a  CC50 (μM)a
SARS CoV-1  4.8 ± 2.2  452
hCoV 229E  0.09 ± 0.04  >40
HRV-14  >100  >1,260
HRV-16  >100  >1,260
HIV-1 RF  >32  >32
HCV replicon  >320  >320
HCMV RC256  >100  >100
a  See the Experimental Section for details on assay methods; the values were calculated from at least eight data points with at least two independent determinations.