InChI=1/C19H16N4O5/c1-28-16-7-4-11(9-15(16)23(26)27)18(24)20-12-5-6-14-13(10-12)19(25)22-8-2-3-17(22)21-14/h4-7,9-10H,2-3,8H2,1H3,(H,20,24)/f/h20H 87EAA698A25C77D6