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