InChI=1S/C27H24O13/c1-9-4-3-5-14-16(9)22(39-27-21(32)19(30)20(31)23(40-27)24(33)34)12(26(36)37-14)8-11-18(29)17-10(2)13(28)6-7-15(17)38-25(11)35/h3-7,19-21,23,27-32H,8H2,1-2H3,(H,33,34)