InChI=1S/C34H26O21/c35-12-1-8(2-13(36)22(12)41)31(48)52-18-7-19(53-32(49)9-3-14(37)23(42)15(38)4-9)29-30(26(18)45)55-34(51)11-6-17(40)25(44)28(47)21(11)20-10(33(50)54-29)5-16(39)24(43)27(20)46/h1-6,18-19,26,29-30,35-47H,7H2