InChI=1/C17H21N3O/c1-11-6-4-9-16(12(11)2)20-17(21)19-15-8-5-7-14(10-15)13(3)18/h4-10,13H,18H2,1-3H3,(H2,19,20,21)/p+1/t13-/m0/s1/fC17H22N3O/h18-20H/q+1 987EC73D6A98CEDC