InChI=1/C21H21ClF4O3/c1-19(2,16-9-15(23)6-7-18(16)29-3)12-20(28,21(24,25)26)10-14-5-4-13(11-27)8-17(14)22/h4-9,11,28H,10,12H2,1-3H3/t20-/m1/s1 BA7B9C75D034BF64