InChI=1/C16H20N2O/c1-10-6-11(2)16(12(3)7-10)15(19)8-13-9-18-5-4-14(13)17/h4-7,9,15,19H,8H2,1-3H3,(H2,17,18)/p+1/t15-/m1/s1/fC16H21N2O/h18H,17H2/q+1 C0E0316F112822E3