InChI=1/C17H24N2O3/c1-13(2)12-22-16-5-3-4-15(10-16)18-17(21)19-8-6-14(11-20)7-9-19/h3-5,10,14,20H,1,6-9,11-12H2,2H3,(H,18,21)/f/h18H 0B167F4F0ECAE440