InChI=1/C15H13N3O5/c19-12-5-3-4-11(8-12)9-16-17-15(20)10-23-14-7-2-1-6-13(14)18(21)22/h1-9,19H,10H2,(H,17,20)/b16-9+/f/h17H DCA156B21C16BF77