1,3,5-Benzenetriol,2-[[(2R,3R,6S,7R)-3,7-bis(3,- 4-dihydroxyphenyl)-2,3,6,7-tetrahydro-4,6- dihydroxy-5H-furo[3,2-g][1]benzopyran-2-yl]- methyl]-
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