918947-10-1

3-Benzofurancarboxylic acid,2-(3,4-dihydroxyphenyl)-4-[(1E)-3-[(1R)-1-[(3,4-dihydroxyphenyl)methyl]-2-methoxy-2-oxoethoxy]-3-oxo-1-propen-1-yl]-2,3-dihydro-7-hydroxy-,1-[(3,4-dihydroxyphenyl)methyl]-2-methoxy-2-oxoethyl ester, (2S,3S)-