InChI=1S/C27H26O15/c1-8-17(30)19(32)21(34)24(39-8)16-14(41-27-23(36)20(33)22(35)25(42-27)26(37)38)7-13-15(18(16)31)11(29)6-12(40-13)9-2-4-10(28)5-3-9/h2-8,19-25,27-28,31-36H,1H3,(H,37,38)