InChI=1/C7H10N2O5/c8-4(7(12)13)1-3-5(2-10)14-9-6(3)11/h4,10H,1-2,8H2,(H,9,11)(H,12,13)/p-1/t4-/m0/s1/fC7H9N2O5/h9H/q-1 9F84AF6FD576A71D