InChI=1/C16H21N3O2/c1-16(2,3)18-9-12(20)10-21-15-6-4-5-14-13(15)7-11(8-17)19-14/h4-7,12,18-20H,9-10H2,1-3H3/p+1/t12-/m0/s1/fC16H22N3O2/h18H/q+1 AA75E1F656E964A2