InChI=1/C21H20N2O4/c1-2-18(25)23-17(21(26)27)11-15-14-8-3-4-9-16(14)22-19(15)20(23)12-6-5-7-13(24)10-12/h3-10,17,20,22,24H,2,11H2,1H3,(H,26,27)/p-1/t17-,20-/m0/s1/fC21H19N2O4/q-1	4363C1635CD70844