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