InChI=1S/C40H30O15/c1-15-9-21-29-25(44)10-17(26-11-16-3-2-4-23(42)36(16)52-26)12-28(29)55-40(31(21)30(32(15)45)20-7-5-18(41)13-27(20)54-40)22-8-6-19(14-24(22)43)51-39-35(48)33(46)34(47)37(53-39)38(49)50/h2-14,33-35,37,39,41-48H,1H3,(H,49,50)