InChI=1/C16H23N3O2/c1-11-9-19(13-8-6-5-7-12(11)13)10-14(20)17-15(21)18-16(2,3)4/h5-8,11H,9-10H2,1-4H3,(H2,17,18,20,21)/t11-/m0/s1/f/h17-18H FBBD4E0EF22B9D56