InChI=1/C20H16N2O5/c1-3-10-26-18-7-5-4-6-14(18)11-16-20(23)27-19(21-16)15-9-8-13(2)17(12-15)22(24)25/h3-9,11-12H,1,10H2,2H3/b16-11-	28404731F7093C51