InChI=1/C14H16N4O4/c1-7(2)17-4-3-8-9(6-17)12-10(5-11(8)18(21)22)15-13(19)14(20)16-12/h5,7H,3-4,6H2,1-2H3,(H,15,19)(H,16,20)/f/h15-16H 21FA53E5754D5A19