InChI=1S/C23H25ClFN3O3/c24-22-4-3-19(11-17(22)15-31-21-2-1-5-26-14-21)27-23(29)16-10-18(25)13-20(12-16)28-6-8-30-9-7-28/h1-5,10-11,14,18,20H,6-9,12-13,15H2,(H,27,29)/t18-,20-/m0/s1