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[(12S,13R)-15-Hydroxy-12,13,17,20,20-pentamethyl-3,14,18-trioxo-2,4,9-trioxapentacyclo[14.3.1.01,5.06,13.07,10]icos-16-en-7-yl] acetate;[(9S,10R)-1,2,12-trihydroxy-9,10,14,17,17-pentamethyl-11,15-dioxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-4-yl


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