InChI=1S/C8H14N2O6/c1-3(11)6(9)7(14)10-4(8(15)16)2-5(12)13/h3-4,6,11H,2,9H2,1H3,(H,10,14)(H,12,13)(H,15,16)/t3-,4+,6+/m1/s1