InChI=1/C16H25N3O3/c1-11(12-6-7-12)17-13(20)10-19-14(21)16(18-15(19)22)8-4-2-3-5-9-16/h11-12H,2-10H2,1H3,(H,17,20)(H,18,22)/t11-/m1/s1/f/h17-18H 5CEFDDAD26D52505