InChI=1/C13H17N3O4/c17-12-6-5-10(16(19)20)7-11(12)15-13(18)8-14-9-3-1-2-4-9/h5-7,9,14,17H,1-4,8H2,(H,15,18)/p+1/fC13H18N3O4/h14-15H/q+1 790F1D147ACDF4BD