InChI=1S/C8H14N2O6/c9-4(7(13)14)3-10-5(8(15)16)1-2-6(11)12/h4-5,10H,1-3,9H2,(H,11,12)(H,13,14)(H,15,16)/p-2/t4-,5-/m0/s1