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(2R)-5-[[(3Ar,6aR)-2-oxo-3a-(phenylmethoxymethyl)-6,6a-dihydro-4H-furo[3,4-d][1,3]dioxol-6-yl]oxy]-2-[3,4-bis(phenylmethoxy)phenyl]-7-phenylmethoxy-4H-chromen-3-one


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