InChI=1/C17H24N2O3/c1-4-16(21)18-13-5-6-15(20)14(8-13)17(22)19-9-11(2)7-12(3)10-19/h5-6,8,11-12,20H,4,7,9-10H2,1-3H3,(H,18,21)/t11-,12-/m0/s1/f/h18H 373224ABCB995CEC