InChI=1S/C25H22O13/c1-33-15-7-14-11(5-16(15)37-24-20(28)18(26)19(27)21(38-24)23(30)31)25(32)17(8-35-14)36-13-6-12-9(2-3-34-12)4-10(13)22(25)29/h2-7,17-21,24,26-28,32H,8H2,1H3,(H,30,31)