InChI=1/C19H20N4O4/c1-20-18(25)16-11-23(14-9-5-6-10-15(14)27-16)12-17(24)22-19(26)21-13-7-3-2-4-8-13/h2-10,16H,11-12H2,1H3,(H,20,25)(H2,21,22,24,26)/t16-/m0/s1/f/h20-22H	BE3F4421A5ECB45D