InChI=1S/C23H22O8/c1-13(24)10-16-11-14(4-9-18(16)25)12-23(22(28)30-3)19(20(26)21(27)31-23)15-5-7-17(29-2)8-6-15/h4-9,11,25-26H,10,12H2,1-3H3/t23-/m1/s1