Abstract
In the title compound, C17H16N4O4, the dihedral angle between the planar nine-membered bicyclic ring system and the benzene ring is 81.9 (1)°. Intramolecular N—H⋯O and intermolecular N—H⋯O, N—H⋯N and C—H⋯N hydrogen bonds are effective in stabilizing the molecular and crystal structure.
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