[1<i>R</i>-(1α,2α,4α,5β,6α,7α)]-4-Benzoyloxymethyl-5,6-dihydroxy-3,8-dioxatricyclo[5.1.0.0<sup>2,4</sup>]octan-5-yl acetate (3-deacetylcrotepoxide) from<i>Kaempferia rotunda</i>Val.
Acta crystallographica. Section E