(2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-4-oxo-4H-chromen-8-yl)-(8-hydroxy-7-(E-4-hydroxy-3-methyl-but-2-enyl)-2,2-dimethyl-chroman-5-yl)-acetic acid methyl ester
(2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-4-oxo-4h-chromen-8-yl)-(8-hydroxy-7-(e-4-hydroxy-3-methyl-but-2-enyl)-2,2-dimethyl-chroman-5-yl)-acetic acid methyl ester
(2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-4-oxo-4H-chromen-8-yl)-(8-hydroxy-7-(E-4-hydroxy-3-methyl-but-2-enyl)-2,2-dimethyl-chroman-5-yl)-acetic acid methyl ester
(2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-4-oxo-4h-chromen-8-yl)-(8-hydroxy-7-(e-4-hydroxy-3-methyl-but-2-enyl)-2,2-dimethyl-chroman-5-yl)-acetic acid methyl ester