InChI=1/C13H10N2O4/c16-10-9-7(12(18)15-13(10)19)2-1-3-8(9)14-11(17)6-4-5-6/h1-3,6H,4-5H2,(H,14,17)(H,15,18,19)/f/h14-15H	44CE5D1D22FA2655