InChI=1/C16H21N3O2/c1-4-21-12(3)16(20)18-11(2)15-17-10-14(19-15)13-8-6-5-7-9-13/h5-12H,4H2,1-3H3,(H,17,19)(H,18,20)/p+1/t11-,12+/m1/s1/fC16H22N3O2/h17-19H/q+1 BD6DE373C8A4CF8D