InChI=1/C15H14N6O4/c22-14-15(23)20(9-1-2-16-7-9)11-6-12(19-4-3-17-8-19)13(21(24)25)5-10(11)18-14/h3-6,8-9,16H,1-2,7H2,(H,18,22)/t9-/m1/s1/f/h16H 409C4E81A68E9470