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