InChI=1S/C33H26O14/c1-33-10-15(14-4-3-13(9-19(14)47-33)43-32-26(39)24(37)25(38)29(46-32)31(41)42)28-22(30(33)40)21-17(35)6-12(8-20(21)45-28)18-7-11-2-5-16(34)23(36)27(11)44-18/h2-9,15,24-26,29,32,34-39H,10H2,1H3,(H,41,42)