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