InChI=1S/C25H26O17/c26-4-11-15(30)17(32)19(34)22(40-11)13-10(41-25-21(36)18(33)20(35)23(42-25)24(37)38)3-9-12(16(13)31)14(29)5-1-6(27)7(28)2-8(5)39-9/h1-3,11,15,17-23,25-28,30-36H,4H2,(H,37,38)