Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A) Chemical structure of representative compounds from the six flavonoid subfamilies tested. (B) Box-plot distribution of HCV-NS5BΔ21 RdRp activity inhibition by members of the flavonol, flavone, flavanonol and flavanone subfamilies at 20 μM. (C) Chemical structure of quercetagetin.
