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What is the molecular formula of the compound with this IUPAC name 5-hydroxy-2-[4-hydroxy-3-[(2S,3S,4S,5S)-3,4,5-trihydroxyoxan-2-yl]oxyphenyl]-7-[(2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one ?
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C26H28O15
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