InChI=1S/C27H26O13/c1-27(2)24-22(38-24)11-4-9(5-13(28)21(11)40-27)12-8-36-15-7-10(6-14(35-3)16(15)17(12)29)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)