InChI=1/C20H20Cl2F4O2/c1-18(2,14-9-13(23)7-8-16(14)28-3)11-19(27,20(24,25)26)10-12-5-4-6-15(21)17(12)22/h4-9,27H,10-11H2,1-3H3/t19-/m0/s1 8A884DA11B5CBD6E