InChI=1/C12H12N2O5/c1-6-2-3-7(4-10(6)14(18)19)13-11(15)8-5-9(8)12(16)17/h2-4,8-9H,5H2,1H3,(H,13,15)(H,16,17)/p-1/t8-,9-/m0/s1/fC12H11N2O5/h13H/q-1	2B759C3E983D95A7