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