InChI=1/C14H14N2O4/c17-12-4-1-7-5-8(2-3-11(7)16-12)15-13(18)9-6-10(9)14(19)20/h2-3,5,9-10H,1,4,6H2,(H,15,18)(H,16,17)(H,19,20)/p-1/t9-,10-/m0/s1/fC14H13N2O4/h15-16H/q-1 40F5CE3F95307212