InChI=1/C15H15N3O4/c16-6-11-10-7-18(4-3-12(10)22-17-11)15(19)9-1-2-13-14(5-9)21-8-20-13/h1-2,5H,3-4,6-8,16H2/p+1/fC15H16N3O4/h16H/q+1 4FA70AAB444E463D