InChI=1S/C26H22O13/c27-8-4-12-15(30)7-11(10-6-14(29)9-2-1-3-13(28)17(9)19(10)31)20(32)18(12)16(5-8)38-26-23(35)21(33)22(34)24(39-26)25(36)37/h1-5,10-11,21-24,26-28,33-35H,6-7H2,(H,36,37)