InChI=1/C16H25N3O2/c1-13-4-3-5-15(12-13)17-16(21)14(2)19-8-6-18(7-9-19)10-11-20/h3-5,12,14,20H,6-11H2,1-2H3,(H,17,21)/t14-/m0/s1/f/h17H F05D5E2644C543D2