InChI=1/C15H26N2O3/c1-4-17(11-12(2)3)14(20)16-15(13(18)19)9-7-5-6-8-10-15/h2,4-11H2,1,3H3,(H,16,20)(H,18,19)/p-1/fC15H25N2O3/h16H/q-1 8204E5D6D6F53765