Figure 5.
Chemical structures of 4-(2-formyl-5-(hydroxymethyl)-1H-pyrrol-1-yl)butanoic acid (1) and p-coumaric acid (2).
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.