InChI=1S/C25H24O17/c26-8-3-1-7(2-4-8)9-6-39-19-12(13(9)28)10(27)5-11(40-21(24(37)38)17(32)22(33)34)18(19)41-25-16(31)14(29)15(30)20(42-25)23(35)36/h1-5,9,14-17,20-21,25-27,29-32H,6H2,(H,33,34)(H,35,36)(H,37,38)