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