InChI=1S/C11H22N4O4/c12-6-2-1-3-7(13)10(17)15-8(11(18)19)4-5-9(14)16/h7-8H,1-6,12-13H2,(H2,14,16)(H,15,17)(H,18,19)/t7-,8-/m0/s1