InChI=1/C16H17N3O/c1-9-6-15(20)18-16-10(2)5-13(7-14(9)16)19-8-11(3)17-12(19)4/h5-8H,1-4H3,(H,18,20)/p+1/fC16H18N3O/h17-18H/q+1 8059B1FF3EEB7C45