Figure 4

Nuclear Magnetic Resonance (a) 1H Chemical shift (δ, ppm) of aryl protons (Ha, Hb and Hc) with change in concentration from 1 mM to 150 mM (log scale) in 1H NMR (b) 13C chemical shift (ppm) of phenyl ring carbons (c) Change in diffusion coefficient with concentration in DOSY 1H NMR.