InChI=1/C17H24N2O3/c1-12(2)15(20)18-14-7-5-13(6-8-14)16(21)19-9-10-22-11-17(19,3)4/h5-8,12H,9-11H2,1-4H3,(H,18,20)/f/h18H DF43B82AF9EFB819