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