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