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.
A. Analytical HPLC of compound C2 (left) and C3 (right). B. Mass spectra of purified compound C2 (upper) and C3 (down). C. Chemical structures of C2 (trans-ε-viniferin, left) and C3 (r-2-viniferin, right).
