InChI=1/C11H16N4O4/c16-4-8(18)7(17)3-12-1-6-2-13-10-9(6)14-5-15-11(10)19/h2,5,7-8,12-13,16-18H,1,3-4H2,(H,14,15,19)/p+1/t7-,8+/m1/s1/fC11H17N4O4/h12,15H/q+1 277DD93C5D105F38