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