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. Author manuscript; available in PMC: 2018 Dec 6.
Published in final edited form as: J Am Chem Soc. 2017 Nov 17;139(48):17431–17437. doi: 10.1021/jacs.7b08292

Figure 4.

Figure 4

(Left). 2D EXSY NMR spectrum of Yb0·L-lactate (1:1) in D2O using a mixing time of 15 ms. (Right). 2D EXSY NMR spectrum of Yb4·L-lactate (1:1) in D2O using a mixing time of 15 ms. The red arrows reflect exchange of the lactate CH and CH3 resonances while the blue arrows reflect exchange of the axial proton resonances between the two SAP diasterisomers.