InChI=1S/C33H28O24/c34-3-7(36)16(38)18(40)8-2-4-10(32(53)54-8)11(19(41)21(43)15(4)37)12-14(29(48)49)13-9-5(31(52)55-27(13)23(45)20(12)42)1-6(35)17(39)26(9)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)