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