InChI=1/C20H20ClFN2O3/c1-20(2,3)12-7-8-16-17(9-12)27-18(11-26-16)19(25)24-23-10-13-14(21)5-4-6-15(13)22/h4-10,18H,11H2,1-3H3,(H,24,25)/b23-10-/t18-/m1/s1/f/h24H A73CFC120572CFFF