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