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