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. Author manuscript; available in PMC: 2014 Mar 31.
Published in final edited form as: Angew Chem Int Ed Engl. 2012 Oct 16;51(47):11762–11765. doi: 10.1002/anie.201206015

Figure 1.

Figure 1

A) The cycloocta[b]-indole core structure with promising activity against M. tuberculosis.[4] B) Ring-A oxygenated sarpagine indole alkaloids 1–6