InChI=1/C15H28N4O4/c1-15(2,3)17-12(20)10-18(4)13(21)16-11-6-8-19(9-7-11)14(22)23-5/h11H,6-10H2,1-5H3,(H,16,21)(H,17,20)/f/h16-17H 55C7C4D4B554CB88