| CC50 | Compound concentration required to reduce cell viability by 50% |
| CPE | Cytopathic effect |
| HA | Hemagglutinin |
| IC50 | Compound concentration required to inhibit virus plaque production by 50% |
| MDCK | Madin-Darby canine kidney cells |
| NA | Neuraminidase |
| S.D. | Standard deviations |
| SI | Selectivity index |
| TPCK | l-1-Tosylamide-2-phenylethyl chloromethyl ketone |