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(6E,14E)-9-[(6-Hydroxy-4,9-dimethyl-2-oxo-1,3,8-trioxaspiro[4.5]decan-7-yl)oxy]-2-[(3-methoxy-4,5,6-trimethyloxan-2-yl)oxymethyl]-3,8,10,12-tetramethyl-4,17-dioxabicyclo[14.1.0]heptadeca-6,14-diene-5,13-dione


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