InChI=1S/C10H12N4O5/c15-1-3-7(16)8(17)9(19-3)5-4-6(14-13-5)10(18)12-2-11-4/h2-3,7-9,15-17H,1H2,(H,13,14)(H,11,12,18)/t3-,7-,8-,9+/m1/s1