3-{[(2S,3R,4S,5S,6R)-6-({[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}methyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-4,5-dihydroxy-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4H-chromen-4-one