InChI=1/C13H14N4O4/c18-12-13(19)15-10-6-11(17(20)21)8(5-9(10)14-12)7-16-3-1-2-4-16/h5-6H,1-4,7H2,(H,14,18)(H,15,19)/f/h14-15H	D2BF0FC9DD2D908E