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