2H-1-benzopyran-2-one, 6-(hexopyranosyloxy)-7-hydroxy- 7-hydroxy-2-oxo-2H-chromen-6-yl hexopyranoside InChI=1/C15H16O9/c16-5-10-12(19)13(20)14(21)15(24-10)23-9-3-6-1-2-11(18)22-8(6)4-7(9)17/h1-4,10,12-17,19-21H,5H