InChI=1/C20H20ClN3O3/c1-14-18(19(22-27-14)16-6-2-3-7-17(16)21)20(25)24-10-8-23(9-11-24)13-15-5-4-12-26-15/h2-7,12H,8-11,13H2,1H3/p+1/fC20H21ClN3O3/h23H/q+1 71325868CFA770F0