InChI=1/C15H21N3O2/c1-10-7-8-11(2)13(9-10)14(19)17-18-15(20)16-12-5-3-4-6-12/h7-9,12H,3-6H2,1-2H3,(H,17,19)(H2,16,18,20)/f/h16-18H 0F0A725B39BC6ACA