InChI=1/C11H14N4O3/c1-4-9(16)10(17)7(15-4)5-2-12-8-6(5)13-3-14-11(8)18/h2-4,7,9-10,12,15-17H,1H3,(H,13,14,18)/p+1/t4-,7+,9+,10-/m1/s1/fC11H15N4O3/h14-15H/q+1 420D035F264A5C8D