InChI=1S/C25H24O18/c26-5-2-7-4(1-8(5)41-25-19(35)15(31)18(34)22(43-25)24(38)39)12(28)11-9(40-7)3-6(27)10(13(11)29)20-16(32)14(30)17(33)21(42-20)23(36)37/h1-3,14-22,25-27,29-35H,(H,36,37)(H,38,39)