InChI=1/C20H20ClN3O3/c21-16-6-4-15(5-7-16)14-23-8-2-9-24(11-10-23)20(25)17-13-19(27-22-17)18-3-1-12-26-18/h1,3-7,12-13H,2,8-11,14H2/p+1/fC20H21ClN3O3/h23H/q+1 69A1F20E017B52A5