InChI=1S/C16H28N4O6/c1-2-3-4-5-6-7-25-16(24)19-14-17-10-20(15(23)18-14)13-8-11(22)12(9-21)26-13/h11-13,21-22H,2-10H2,1H3,(H2,17,18,19,23,24)/t11-,12+,13+/m0/s1