InChI=1/C19H17N3O4/c23-18(11-6-13-4-9-17(10-5-13)22(25)26)20-15-2-1-3-16(12-15)21-19(24)14-7-8-14/h1-6,9-12,14H,7-8H2,(H,20,23)(H,21,24)/b11-6+/f/h20-21H	E19ECF9480A062CF