InChI=1S/C27H30O15/c1-9-23(41-27-21(36)19(34)17(32)15(8-28)40-27)20(35)22(37)26(38-9)42-25-18(33)16-13(31)6-12(30)7-14(16)39-24(25)10-2-4-11(29)5-3-10/h2-7,9,15,17,19-23,26-32,34-37H,8H2,1H3