InChI=1/C15H26N2O3/c18-14(19)10-12-6-5-9-17(11-12)15(20)16-13-7-3-1-2-4-8-13/h12-13H,1-11H2,(H,16,20)(H,18,19)/p-1/t12-/m1/s1/fC15H25N2O3/h16H/q-1 03603E9E5696AC3E