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