InChI=1/C15H24N2O3/c1-2-20-15(19)16-13-9-6-10-17(11-13)14(18)12-7-4-3-5-8-12/h3-4,12-13H,2,5-11H2,1H3,(H,16,19)/t12-,13+/m1/s1/f/h16H 20E917B10A6F29E1