InChI=1S/C35H28O14/c36-17-9-6-15(7-10-17)8-11-19-24-23(14-20(38)26(19)39)48-34(45)35(24)25-21(46-31(35)16-4-2-1-3-5-16)12-18(37)13-22(25)47-33-29(42)27(40)28(41)30(49-33)32(43)44/h1-14,27-31,33,36-42H,(H,43,44)/b11-8+