An official website of the United States government
Here's how you know
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.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
Plot of PC1–PC2 scores for artemisinin and derivatives with anticancer activity against human hepatocellular carcinoma HepG2 line. Positive values indicate more potent analogs (in blue), and negative values indicate less potent analogs (in red).