InChI=1S/C27H28O19/c28-5-11-14(31)17(34)21(38)26(45-11)44-10-4-9-12(15(32)13(10)30)16(33)19(36)23(42-9)6-1-2-7(29)8(3-6)43-27-22(39)18(35)20(37)24(46-27)25(40)41/h1-4,11,14,17-18,20-22,24,26-32,34-39H,5H2,(H,40,41)