InChI=1/C17H23N3O2/c1-12-9-10-15(11-13(12)2)18-16(21)17(22)20-19-14-7-5-3-4-6-8-14/h9-11H,3-8H2,1-2H3,(H,18,21)(H,20,22)/f/h18,20H 28BF31D75CFA7328