InChI=1S/C10H14N4O5/c15-1-4-6(16)7(17)10(19-4)14-3-13-5-8(14)11-2-12-9(5)18/h2-4,6-7,9-10,15-18H,1H2,(H,11,12)/p+1/t4-,6-,7-,9+,10-/m1/s1