InChI=1/C13H14N2O3/c16-12-10-3-1-2-4-11(10)13(17)15(12)8-9-7-14-5-6-18-9/h1-4,9,14H,5-8H2/p+1/t9-/m1/s1/fC13H15N2O3/h14H/q+1 A1AF6AAB2ABB4033