InChI=1/C13H16N2O6/c1-9-2-3-10(15(20)21)8-11(9)14(6-4-12(16)17)7-5-13(18)19/h2-3,8H,4-7H2,1H3,(H,16,17)(H,18,19)/p-2/fC13H14N2O6/q-2	334BE6F7E43F2924