InChI=1S/C27H26O14/c1-9-17(29)19(31)21(33)24(38-9)16-14(40-27-23(35)20(32)22(34)25(41-27)26(36)37)8-13-15(18(16)30)11(28)7-12(39-13)10-5-3-2-4-6-10/h2-9,19-25,27,30-35H,1H3,(H,36,37)