InChI=1/C15H21N3O3/c1-17(11-15(19)16-13-6-2-3-7-13)10-12-5-4-8-14(9-12)18(20)21/h4-5,8-9,13H,2-3,6-7,10-11H2,1H3,(H,16,19)/f/h16H 47E5428AF98AAECA