InChI=1/C18H25N3O/c1-21(2)11-5-10-19-18(22)13-8-9-17-15(12-13)14-6-3-4-7-16(14)20-17/h8-9,12,20H,3-7,10-11H2,1-2H3,(H,19,22)/p+1/fC18H26N3O/h19,21H/q+1 3A8DFFB9EFDD9E2E