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[(3R,4R,6R)-2-[[(1R,2R,5R,6R,7S,8R,9S,11R,13R,14R)-2-Ethyl-6-hydroxy-9-methoxy-1,5,7,9,11,13-hexamethyl-4,12,16-trioxo-3,15,17-trioxabicyclo[12.3.0]heptadecan-8-yl]oxy]-6-methyl-4-(2-methylprop-1-enyl)oxan-3-yl] acetate


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