4H-1-benzopyran-4-one, 8-(acetyloxy)-2,3-dihydro-5-hydroxy-3-[(4-hydroxyphenyl)methyl]-7-methoxy- 5-hydroxy-3-(4-hydroxybenzyl)-7-methoxy-4-oxo-3,4-dihydro-2H-chromen-8-yl acetate InChI=1/C19H18O7/c1-10(20)26-18-15(24-2)8-14(22)16-17(23)12(9-25-19(16)18)7-11-3-5-13(21)6-4-11/h3-6,8,12,21-22H,7,9H2,1-2H