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[(1R,2S,7S,8R,10R,11S,12R,13R,14R,15R,16R,17R,21S)-17-Acetyloxy-15-[(S)-acetyloxy(furan-3-yl)methyl]-10,11,12,21-tetrahydroxy-8,15-dimethyl-5,19-dioxo-14-(2-oxobutyl)-4,18,20-trioxahexacyclo[11.4.3.18,11.01,13.02,7.02,10]henicosan-16-yl] acetate


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