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