InChI=1S/C21H22O14/c1-32-21-17(29)16(28)18(35-20(31)8-4-11(24)15(27)12(25)5-8)13(34-21)6-33-19(30)7-2-9(22)14(26)10(23)3-7/h2-5,13,16-18,21-29H,6H2,1H3