InChI=1S/C27H32O17/c28-6-11-14(31)17(34)19(36)24(42-11)12-15(32)16(33)13(30)9-5-10(29)22(43-23(9)12)7-2-1-3-8(4-7)41-27-21(38)18(35)20(37)25(44-27)26(39)40/h1-4,10-11,14,17-22,24-25,27-38H,5-6H2,(H,39,40)