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