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(1S,2R,5S,7R,11S,13S,14S,17R,18R)-5-Chloro-2,18-dimethyl-17-[(2R)-6-methylheptan-2-yl]-8,10-dioxapentacyclo[11.7.0.02,7.07,11.014,18]icosan-9-one


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