Scheme 5.
Alkyl amide derivatives of 23-O-acetyl-3-oxo-HBA 20 and 3-O-acetyl-BA 17.
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.