142542-77-6

1-Propanone,1-[3-[[2-(3,4-dihydroxyphenyl)-3,4-dihydro-3,5,7-trihydroxy-2H-1-benzopyran-8-yl]methyl]-2,4-dihydroxy-6-methoxy-5-methylphenyl]-2-methyl-,(2R-trans)-