InChI=1/C13H22N4O3/c1-2-3-9-14-11(19)16-17-10(18)13(15-12(17)20)7-5-4-6-8-13/h2-9H2,1H3,(H,15,20)(H2,14,16,19)/f/h14-16H 8623914E5D2FAF4C