InChI=1S/C27H26O16/c28-7-14-16(29)17(30)20(33)26(42-14)38-9-2-4-11-13(6-9)41-25(37)15-10-3-1-8(5-12(10)40-22(11)15)39-27-21(34)18(31)19(32)23(43-27)24(35)36/h1-6,14,16-21,23,26-34H,7H2,(H,35,36)