InChI=1S/C22H26Cl2FN3O3/c23-9-11-28(12-10-24)18-7-3-15(4-8-18)13-19(26)21(29)27-20(22(30)31)14-16-1-5-17(25)6-2-16/h1-8,19-20H,9-14,26H2,(H,27,29)(H,30,31)/t19-,20-/m0/s1