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[(1S,5S,6R,7S,11R,13S,14S,16R,19S)-16-Acetyloxy-7-hydroxy-14,18,21,21-tetramethyl-3,15-dioxo-13-triethylsilyloxy-2,4-dioxa-9,10-dithiapentacyclo[15.3.1.01,5.06,14.07,11]henicos-17-en-19-yl] (2R,3S)-3-benzamido-2-[tert-butyl(dimethyl)silyl]oxy-3-phenylprop


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