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. Author manuscript; available in PMC: 2011 Jul 7.
Published in final edited form as: J Am Chem Soc. 2010 Jul 7;132(26):9069–9077. doi: 10.1021/ja102100h

Figure 1.

Figure 1

Key HMBC correlations used to establish partial structures corresponding to fragments I and II in compound 1. 1H–13C and OH–13C correlations are shown by black and red arrows, respectively.