InChI=1/C20H21ClN2O/c21-17-7-5-16(6-8-17)20(24)9-11-23(12-10-20)14-15-13-22-19-4-2-1-3-18(15)19/h1-8,13,22,24H,9-12,14H2/p+1/fC20H22ClN2O/h23H/q+1 42DA4DD267CBCFE2