InChI=1/C7H8N2O5/c10-6(11)4-3-2(1-8-4)14-9-5(3)7(12)13/h2-4,8H,1H2,(H,10,11)(H,12,13)/p-1/t2-,3-,4-/m0/s1/fC7H7N2O5/h8H/q-1 CBC0E90F964C11C8