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[(1S,4S,9S,10S,12R,15R)-4,12-Diacetyloxy-9-hydroxy-10,14,20,20-tetramethyl-11,18-dioxo-15-[(2R,3S)-4,4,4-trifluoro-2-hydroxy-2-methyl-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]oxy-6,17,19-trioxapentacyclo[11.6.1.01,16.03,10.04,7]icos-13-en-2-yl] b


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