InChI=1S/C33H26O14/c34-11-33-10-17(16-4-3-15(9-21(16)47-33)43-32-27(39)25(37)26(38)29(46-32)31(41)42)28-24(30(33)40)23-18(36)5-13(7-22(23)45-28)19-6-12-1-2-14(35)8-20(12)44-19/h1-9,17,25-27,29,32,34-39H,10-11H2,(H,41,42)