InChI=1/C15H28N2O3/c1-17(11-13-7-4-3-5-8-13)12-14(18)16-10-6-9-15(19)20-2/h13H,3-12H2,1-2H3,(H,16,18)/p+1/fC15H29N2O3/h16-17H/q+1 223B4F34B85A2FE1