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. Author manuscript; available in PMC: 2012 Dec 5.
Published in final edited form as: Eur J Pharmacol. 2011 Sep 19;671(1-3):18–25. doi: 10.1016/j.ejphar.2011.09.033

Fig. 5. GC analysis of dehydroleucodine and 11,13-dihydro-dehydroleucodine epimers.

Fig. 5

A) DhL isolated from Artemisia douglassiana; (B) Mixture DH-DhL epimers as obtained by reduction of DhL, (#) denotes small amount of DhL after the reduction reaction; (C) DH-DhL epimer S, and, (D) DH-DhL epimer R after separation from the mixture. Chemical structures of DhL (compound 1), DH-DhL epimer 11S (compound 2) and DH-DhL epimer 11R (compound 3) (numbering according to classical nomenclature).