InChI=1S/C11H20N4O7/c12-1-2-14-7(16)3-11(22,10(20)21)4-8(17)15-5-6(13)9(18)19/h6,22H,1-5,12-13H2,(H,14,16)(H,15,17)(H,18,19)(H,20,21)/t6-,11-/m0/s1