InChI=1/C12H15N3O4/c16-10-2-1-3-15(7-10)12(19)14-9-4-8(11(17)18)5-13-6-9/h4-6,10,16H,1-3,7H2,(H,14,19)(H,17,18)/p-1/t10-/m1/s1/fC12H14N3O4/h14H/q-1 504A8883482178D3