InChI=1S/C27H24O20/c28-4-11-23(20(37)21(38)27(44)46-11)47-26(43)6-1-8(29)14(31)17(34)13(6)12-5(24(39)40)3-10(16(33)18(12)35)45-22-7(25(41)42)2-9(30)15(32)19(22)36/h1-3,11,20-21,23,27-38,44H,4H2,(H,39,40)(H,41,42)