InChI=1/C14H14N2O5/c1-20-10-2-4-11(5-3-10)21-8-12-15-7-9(6-13(17)18)14(19)16-12/h2-5,7H,6,8H2,1H3,(H,17,18)(H,15,16,19)/p-1/fC14H13N2O5/h16H/q-1 28F47B0ADED10C36