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