InChI=1S/C10H20N4O4/c11-4-2-1-3-6(12)9(16)14-7(10(17)18)5-8(13)15/h6-7H,1-5,11-12H2,(H2,13,15)(H,14,16)(H,17,18)/t6-,7-/m0/s1