Table 1.

Anti-FCoV activities of the dipeptidyl and tripeptidyl derivatives.

Dipeptidyl			Tripeptidyl
Compound	FCoV (EC50 μM)	CC50 (μM)	Compound	FCoV (EC50 μM)	CC50 (μM)
18	0.02 ± 0.01	>150	25	0.02 ± 0.01	70.29 ± 5.6
20	0.04 ± 0.04	>150	26	0.86 ± 0.72	40.57 ± 10
21	0.10 ± 0.03	>150	27	0.54 ± 0.28	32.34 ± 1.9
22	0.43 ± 0.31	>150	28	0.04 ± 0.03	61.91 ± 0.2
23	0.06 ± 0.05	>150	29	0.18 ± 0.12	32.01 ± 1.3
24	0.12 ± 0.05	>150	30	0.06 ± 0.06	21.96 ± 5.1
			31	0.06 ± 0.001	>150

Measured as the mean and standard error of the means (SEM).