InChI=1/C18H19ClN2O2/c1-13-5-7-14(8-6-13)17-12-21(9-10-23-17)18(22)20-16-4-2-3-15(19)11-16/h2-8,11,17H,9-10,12H2,1H3,(H,20,22)/t17-/m0/s1/f/h20H C9DFEAD811D3FC6A