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(Z)-8-(9-hydroxy-2'-(6-hydroxy-6-(hydroxymethyl)-3,5-dimethyltetrahydro-2H-pyran-2-yl)-3-((5-methoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2,4',8,10'-tetramethyl-1,1',6,6'-tetraoxa[2,7'-bispiro[4.5]decan]-7-yl)-2,4,6-trimethyl-5-oxonon-6-enoic acid
