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. 2015 Feb 21;160(5):1163–1170. doi: 10.1007/s00705-015-2370-x

Table 2.

Inhibitory effects of viroporin inhibitors against FIPV

Compound CC50 (μM) FIPV type I strain KU2 FIPV type I strain Black FIPV type II strain 79-1146
EC50 (μM) SI EC50 (μM) SI EC50 (μM) SI
4,4′-disothiocyano-2,2′-stilbenedisulphonic acid (DIDS) 318.7 ± 22.0 185.0 ± 17.1 2.9 ± 0.3 207.8 ± 10.0 2.2 ± 0.1 69.6 ± 6.9 6.1 ± 1.0
Amantadine 2230.9 ± 178.0 >1000 <2 >1000 <2 >1000 <2
Hexamethylene amiloride (HMA) 48.8 ± 1.9 1.9 ± 0.8 25.5 ± 2.2 2.1 ± 0.2 23.3 ± 2.2 10.3 ± 0.1 4.9 ± 0.1