InChI=1S/C19H17ClFN3O3/c20-16-14-7-8-15(18(25)23-9-1-2-10-23)24(14)19(26)17(22-16)27-11-12-3-5-13(21)6-4-12/h3-8,15H,1-2,9-11H2/t15-/m0/s1