4-{(2R,3R,5S,6S)-3-[(3S,4S)-6-[(2R,3R,5S,6S)-3-((Z)-Dec-1-enyl)-5,6-dimethoxy-5,6-dimethyl-[1,4]dioxan-2-yl]-3,4-bis-(toluene-4-sulfonyloxy)-hexyl]-5,6-dimethoxy-5,6-dimethyl-[1,4]dioxan-2-ylmethoxymethyl}-benzoic acid