InChI=1/C18H29N3O3/c1-6-18(7-2,21(4)5)13-19-16(22)14-10-9-11-15(12-14)20-17(23)24-8-3/h9-12H,6-8,13H2,1-5H3,(H,19,22)(H,20,23)/p+1/fC18H30N3O3/h19-21H/q+1 3C8C71C08416F7D3