5 alpha-Hydroxy-2 alpha,9 alpha,10 beta-triacetoxy-11,12-epoxy-taxa-4(20)-e
n-13-one (taxinine A 11,12-epoxide) was isolated from the needles of the Ja
panese yew, Taxus cuspidata Sieb et Zucc, together with 10 other taxoids. I
ts structure was established on the basis of spectroscopic analysis. (C) 19
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