Figure 3.
The protonation state of 2,5,7-triamine-3,4-dihydropyrmidin-4one determines whether the C5 or C6 amine is more nucleophilic (colored red).
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.