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