InChI=1S/C25H26O18/c26-3-8-13(31)14(32)17(35)22(41-8)9-5(27)2-7-10(11(29)4-1-6(28)12(30)16(34)20(4)40-7)21(9)42-25-19(37)15(33)18(36)23(43-25)24(38)39/h1-2,8,13-15,17-19,22-23,25-28,30-37H,3H2,(H,38,39)