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. Author manuscript; available in PMC: 2016 Dec 11.
Published in final edited form as: Chem Commun (Camb). 2015 Dec 11;51(95):16992–16995. doi: 10.1039/c5cc07453c

Figure 4.

Figure 4

Proton NMR spectrum of 5 in immediately after mixing fPBA and HBA to a final concentration of 2.5 mM each in 0.1 M phosphate buffer, pH 7.0, containing 10% D2O.