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