InChI=1S/C25H20O13/c26-16-10-3-1-2-4-14(10)36-23(33)12(16)8-13-17(27)11-6-5-9(7-15(11)37-24(13)34)35-25-20(30)18(28)19(29)21(38-25)22(31)32/h1-7,18-21,25-30H,8H2,(H,31,32)