InChI=1S/C35H28O13/c36-20-13-18(45-33-29(41)27(39)28(40)30(48-33)32(42)43)14-22-25(20)35(31(46-22)17-9-5-2-6-10-17)24-19(12-11-16-7-3-1-4-8-16)26(38)21(37)15-23(24)47-34(35)44/h1-15,27-31,33,36-41H,(H,42,43)/b12-11+