InChI=1/C20H20ClFN4O2/c21-15-4-2-5-16(22)14(15)11-24-7-9-25(10-8-24)12-26-19(27)13-3-1-6-17(23)18(13)20(26)28/h1-6H,7-12,23H2/p+1/fC20H21ClFN4O2/h24H/q+1 AE90E4553CDB231E