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. Author manuscript; available in PMC: 2015 Feb 15.
Published in final edited form as: Bioorg Med Chem. 2014 Jan 8;22(4):1412–1420. doi: 10.1016/j.bmc.2013.12.065

Figure 2.

Figure 2

13C NMR spectrum sections for the two diastereomers3-up and 3-down. In each spectrum, two sets of carbon peaks are observed, suggesting the presence of two conformational isomers for each diastereomer. The complete spectral data are provided in the Supplementary Materials.