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