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.
Upper panel: H NMR spectra with pH adjusted from 2 to 12. Lower left panel: observed chemical shift positions of 51 resonances. Lower right panel: fitted chemical shift positions for the 51 resonances. Only resonances with correct predictions are shown
