InChI=1/C17H23N3O2/c1-12-6-8-15(9-7-12)20-11-14(10-16(20)21)19-17(22)18-13-4-2-3-5-13/h6-9,13-14H,2-5,10-11H2,1H3,(H2,18,19,22)/t14-/m1/s1/f/h18-19H 45822B381521646D