InChI=1S/C35H28O14/c36-18-10-7-15(8-11-18)6-9-17-12-19(37)13-21-23(17)35(34(45)47-21)24-22(46-31(35)16-4-2-1-3-5-16)14-20(38)29(25(24)39)48-33-28(42)26(40)27(41)30(49-33)32(43)44/h1-14,26-28,30-31,33,36-42H,(H,43,44)/b9-6+