InChI=1/C18H21N3O/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/h3-4,6-9,12,20H,5,10-11H2,1-2H3,(H,19,22)/p+1/fC18H22N3O/h19,21H/q+1 268F44196480F043