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A new lathyrane diterpenoid ester, euphordracunculin C ( 1), together with a phenolic amide, 4-hydroxy-N-[3-(4-hydroxy-3-methoxyphenyl)-1-oxo-2-propen-1-yl]-3-methoxybenzamide ( 2), was isolated from the aerial parts of Euphorbia dracunculoides. The structure of the new compound was elucidated on the basis of spectroscopic analysis including 1D and 2D NMR techniques. [ABSTRACT FROM AUTHOR]

A new myrinsol diterpenoid ester, 2 α,3 β,5 α,7 β,10-O-pentacetyl-14 α-O-benzoyl-15 β-O-nicotinoyl-10,18-dihydromyrsinol ( 1), along with a known analogue, proliferin C ( 2), were isolated from the aerial parts of Euphorbia dracunculoides Lam. Their structures were elucidated on the basis of spectroscopic evidence and comparison with literatures. [ABSTRACT FROM AUTHOR]