InChI=1S/C27H26O13/c1-9(2)4-5-10-13(38-27-20(32)18(30)19(31)24(40-27)25(33)34)8-14-16(21(10)36-3)23-15(26(35)37-14)11-6-7-12(28)17(29)22(11)39-23/h4,6-8,18-20,24,27-32H,5H2,1-3H3,(H,33,34)