InChI=1S/C25H22O14/c1-33-11-6-10(37-25-18(30)16(28)17(29)22(39-25)23(31)32)14-15(27)13-8(26)5-9-12(7-3-4-35-24(7)36-9)20(13)38-21(14)19(11)34-2/h3-7,16-18,22,24-26,28-30H,1-2H3,(H,31,32)