InChI=1/C20H18O8/c1-26-16-8-12(22)7-15(28-20(16)25)13-9-14(23)17(18(24)19(13)27-2)10-3-5-11(21)6-4-10/h3-7,9,16,21,23-24H,8H2,1-2H3/t16-/m0/s1 0BD22D1C30793550