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