InChI=1S/C27H24O17/c28-11-4-14(30)12-6-17(25(41-16(12)5-11)10-1-2-13(29)15(31)3-10)42-27-24(39)26(44-22(37)8-20(34)35)23(38)18(43-27)9-40-21(36)7-19(32)33/h1-6,18,23-24,26-27,38-39H,7-9H2,(H5-,28,29,30,31,32,33,34,35)/p+1/t18-,23-,24-,26+,27-/m1/s1