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. Author manuscript; available in PMC: 2011 Jul 9.
Published in final edited form as: J Chromatogr A. 2010 Jul 9;1217(28):4663–4668. doi: 10.1016/j.chroma.2010.05.009

Fig.1.

Fig.1

Chemical structures of the test compounds: (1) dioscin; (2) gracillin; (3) protodioscin; (4) protogracillin; (5) pseudo-protodioscin; and (6) 26-O-β-D-glucopyranosyl-3β, 20α, 26-triol-25 (R) - Δ5, 22-dienofurostan-3-O-α-L -rhamnopyranosyl (1→2)-[α-L-rhamnopyranosyl (1→4)]-β-D-glucopyranoside.