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What is the molecular formula of the molecule identified by 6-[4,5-dihydroxy-6-(hydroxymethyl)-3-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]-3-(2,4-dihydroxyphenyl)-5,7-dihydroxychromen-4-one ?
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C27H30O15
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