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. 2021 Apr 21;190:105078. doi: 10.1016/j.antiviral.2021.105078

Table 2.

EC50 values of NA inhibitors against SARS-CoV-2 RdRp.

Compounds nsp12 (EC50/μM) nsp12 + 14 (EC50/μM) nsp12 + 14(mutant)(EC50/μM) Ratio of EC50 (12 + 14/12) Ratio of EC50 (12 + 14(mutant)/12)
Remdesivir 1.11 2.00 1.52 1.80 1.37
Ribavirin 112.20 >1000 120.05 >8.91 1.07
Penciclovir 74.13 >1000 87.55 >13.49 1.18
Favipiravir 67.61 707.95 88.30 10.47 1.31
Entecavir 109.65 >1000 116.50 9.12 1.06
Tenofovir 79.43 758.58 107.50 9.55 1.35