[(2S,4aS,6S,7S,8R,8aS)-6-[[(5S,5aR,8aR,9R)-9-(4-hydroxy-3,5-dimethoxyphenyl)-8-oxo-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-5-yl]oxy]-7-(2,2-dichloroacetyl)oxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl] 2,2-dichloroacetate