InChI=1/C19H17N3O6/c1-27-12-6-5-11(14(8-12)28-2)10-21-16(24)13-4-3-7-22(13)19(18(21)26)9-15(23)20-17(19)25/h3-8H,9-10H2,1-2H3,(H,20,23,25)/p-1/t19-/m1/s1/fC19H16N3O6/q-1 B5F7ABEA2909B1AE