InChI=1/C16H19ClN2O/c1-10-6-16(19-8-11(2)20-12(3)9-19)18-15-7-13(17)4-5-14(10)15/h4-7,11-12H,8-9H2,1-3H3/p+1/t11-,12-/m0/s1/fC16H20ClN2O/h18H/q+1 590D7E1BC3D45BF8