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