InChI=1/C6H9NO4/c7-4(6(10)11)2-1-3(2)5(8)9/h2-4H,1,7H2,(H,8,9)(H,10,11)/p-1/t2-,3+,4+/m1/s1/fC6H8NO4/h7H/q-1	3B062C4E76873003