Table 2.

Assessment of anti-HSV-1F activity of HL1 and HL2

Test compound	CC50a	EC50b	Selectivity indexc
HL2	362.6 ± 2.5	37.2 ± 2.8	9.7
HL1	270.4 ± 3.2	63.4 ± 3.0	4.3
Acyclovir	128.8 ± 3.4	2.8 ± 0.1	49.3

^aCC₅₀ of HL1 and HL2 in Vero cells at µg/ml

^b50% reduction of virus mediated toxicity by HL1 and HL2 (µg/ml)

^cSelectivity Index (SI) = CC₅₀ × (1/EC₅₀)