InChI=1/C9H14N2O4/c1-10-8(15)11-6(12)9(7(13)14)4-2-3-5-9/h2-5H2,1H3,(H,13,14)(H2,10,11,12,15)/p-1/fC9H13N2O4/h10-11H/q-1 111AD7E4653DD200