InChI=1S/C33H28O24/c34-2-5-13(36)26-27-19(42)12-11(32(52)55-27)9(16(39)21(44)17(12)40)8-10(31(51)54-26)7(14(37)20(43)15(8)38)6-3(30(50)53-5)1-4(35)25(18(6)41)56-33-24(47)22(45)23(46)28(57-33)29(48)49/h1,5,13,19,22-24,26-28,33-47H,2H2,(H,48,49)