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. 2019 Nov 16;186:111893. doi: 10.1016/j.ejmech.2019.111893

Table 12.

Inhibition of orthopoxvirus replication by pyrazolo-pyrimidine nucleosides.

Com. EC50 (μM)
Toxicity CC50 (μM) Neutral red uptake
Vacciniad CPE Vacciniad PR Cowpox CPE Cowpox PR
Cidofovir 3.2 20 7.1 32 >317
161 1.7 6.9 0.3 5.6 >286
162 20 11 1.8 9.0 >292

Note: CPE-reduce viral cytopathogenicity, PR-plaque formation.