InChI=1S/C20H27ClFNO3/c1-2-3-4-5-6-7-14-26-20(25)17-12-9-13-23(17)19(24)15-10-8-11-16(21)18(15)22/h8,10-11,17H,2-7,9,12-14H2,1H3