Figure 5.
MS/MS spectra of (A) 7-methylguanine; (B) 1-methylguanine; (C) Leu–Glu–Leu–Glu; (D) (sulfooxy)benzoic acid and (E) hydroxyl(sulfooxy)benzoic acid.
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.