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