InChI=1/C7H12N2O3/c1-5(7(11)12)4-6(10)8-9(2)3/h4H,1-3H3,(H,8,10)(H,11,12)/p-1/b5-4-/fC7H11N2O3/h8H/q-1 BF50D025F7B5E7DE