InChI=1S/C14H15N3O5/c15-10(7-18)13-16-11(14(22)17(13)6-12(20)21)5-8-1-3-9(19)4-2-8/h1-5,10,18-19H,6-7,15H2,(H,20,21)/b11-5-/t10-/m0/s1