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[4-[[7-[[(4R)-7-Methoxy-4,6,6-trimethyl-2-oxo-7,7a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyran-4-yl]oxy]-8-methyl-2-oxochromen-3-yl]carbamoyl]-2-(3-methylbut-2-enyl)phenyl] acetate


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