InChI=1/C20H20ClFN4O2/c21-14-10-18-19(27)24-11-15(26(18)12-14)8-13-2-3-17(22)16(9-13)20(28)25-6-1-4-23-5-7-25/h2-3,9-12,23H,1,4-8H2,(H,24,27)/p+1/fC20H21ClFN4O2/h23-24H/q+1 829A3A5E86CBD7A7