InChI=1/C17H24N2O2/c1-12-4-2-3-5-16(12)18-10-15(20)11-21-19-17(13-6-7-13)14-8-9-14/h2-5,13-15,18,20H,6-11H2,1H3/t15-/m0/s1 1933E02D8B0EE9E5