Mustakerova Elena, Todorova Milka, Tsankova Elena
Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Sofia.
Z Naturforsch C J Biosci. 2002 Jul-Aug;57(7-8):568-70. doi: 10.1515/znc-2002-7-802.
Aerial parts of Achillea collina afforded, in addition to five known sesquiterpene lactones two new germacranolides and one new eudesmanolide, the structures of which were elucidated by spectroscopic methods.
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