InChI=1/C15H21N3O3/c1-10-6-7-12(9-14(10)18(20)21)11(2)17-13-5-3-4-8-16-15(13)19/h6-7,9,11,13,17H,3-5,8H2,1-2H3,(H,16,19)/t11-,13+/m0/s1/f/h16H 040CE616053771F3