Skip to main content
. 2013 Mar 15;8(3):e57701. doi: 10.1371/journal.pone.0057701

Figure 3. 1H NMR spectra showing NH of indole moiety and aromatic protons of 1 in the free state (R = Htel/[1] = 0) and at different R. High and low R values must be related to the free and bound state of 1 in solution respectively.

Figure 3