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