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[(1S,2S,3R,4S,9S,10S,12R,16R)-4-Acetyloxy-9,12-dihydroxy-10,14,20,20-tetramethyl-11,15,18-trioxo-6,17,19-trioxapentacyclo[11.6.1.01,16.03,10.04,7]icosan-2-yl] benzoate


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