InChI=1/C15H24N4O2/c1-11(2)12-9-13(18-17-12)16-14(20)10-19-8-6-4-3-5-7-15(19)21/h9,11H,3-8,10H2,1-2H3,(H2,16,17,18,20)/f/h16,18H F0283490C9A8F619