InChI=1S/C25H28O17/c26-5-11-15(31)17(33)19(35)22(40-11)12-9(29)4-10(41-25-21(37)18(34)20(36)23(42-25)24(38)39)13(16(12)32)14(30)6-1-2-7(27)8(28)3-6/h1-4,11,15,17-23,25-29,31-37H,5H2,(H,38,39)