InChI=1S/C23H20O14/c1-34-19-14(26)13-11(25)5-8(35-23-17(29)15(27)16(28)20(37-23)22(32)33)6-12(13)36-18(19)7-2-3-9(21(30)31)10(24)4-7/h2-6,15-17,20,23-25,27-29H,1H3,(H,30,31)(H,32,33)