InChI=1/C16H21N3O2/c1-3-21-9-12-8-11(4-5-14(12)20-2)15-16-13(6-7-17-15)18-10-19-16/h4-5,8,10,15,17H,3,6-7,9H2,1-2H3,(H,18,19)/p+1/t15-/m0/s1/fC16H22N3O2/h17-18H/q+1 B1C42B19ADA891B0