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.
Key structural features present in all pentacyclic triterpene structures with wound healing properties (A); superimposed 3D structures of wound healing pentacyclic triterpene structures (B); areas where key functional groups appear are highlighted in yellow; structures that have glycosylated OH or COOH groups, are depicted only as triterpene scaffolds for better image clarity.
