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What is the molecular formula of the compound with this IUPAC name 7-(2,4-dihydroxyphenyl)-3-(3,5-dihydroxyphenyl)-4-hydroxy-2-(4-hydroxyphenyl)-9-(3-methylbut-2-enyl)-2,3,6,7-tetrahydrofuro[3,2-g]chromen-5-one ?
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C34H30O9
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