InChI=1/C13H15N3O4/c1-2-20-13(17)11(14)5-8-7-15-12-4-3-9(16(18)19)6-10(8)12/h3-4,6-7,11,15H,2,5,14H2,1H3/p+1/t11-/m0/s1/fC13H16N3O4/h14H/q+1 1CB6C65BB475D707