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. Author manuscript; available in PMC: 2010 May 6.
Published in final edited form as: J Am Chem Soc. 2009 May 6;131(17):6062–6063. doi: 10.1021/ja9005755

Figure 1.

Figure 1

(+)-Schulzeine A (revised structure) (1; C11b-Hβ; R1 = Me R2 = H); (-)-schulzeine B (2; C11b-Hα; R1, R2 = H); (+)-schulzeine C (3; C11b-Hβ; R1, R2 = H); (+)-schulzeine A (proposed structure) (4; C11b-Hβ; R1 = H; R2 = Me).