InChI=1S/C9H15N5O4/c10-9-13-7-5(8(18)14-9)12-3(1-11-7)6(17)4(16)2-15/h3-4,6,12,15-17H,1-2H2,(H4,10,11,13,14,18)/t3?,4-,6-/m0/s1