InChI=1S/C21H22O14/c1-5(10(23)9-11(24)13(26)15(28)14(27)12(9)25)7-3-2-6(4-8(7)22)34-21-18(31)16(29)17(30)19(35-21)20(32)33/h2-5,16-19,21-22,24-31H,1H3,(H,32,33)