Figure 4.
a, the structure of γ-AApeptide building block 3 which contains an allyl succinate ester group; b, the synthetic scheme of head-to-side-chain cyclic γ-AApeptides; c, the structure of the γ-AA2.
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.