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What is the molecular formula of the molecule identified by (2R,3R,4R,5R,6S)-2-[[(2R,3S,4S,5R,6R)-6-[[(2R,3S)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl]oxy]-3,4,5-trihydroxyoxan-2-yl]methoxy]-6-methyloxane-3,4,5-triol ?
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C27H34O15
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