Table 8. Inhibitory Activity of Peptidyl Derivatives against Norovirus 3CLpro in Vitro (IC₅₀) and in Cell-Based Replicon System (ED₅₀)^a.

cpd	IC50 [μM]	ED50 [μM]
97	1.45	7.8
98	2.1	0.8
99	2.3	0.9

^aData taken from Mandadapu et al.¹⁸⁷