In the title compound, C21H14BrN3O3, the indoline ring system is almost planar, while the pyran ring is in flattened-boat conformation. In the crystal, N-H⋯O and N-H⋯N hydrogen bonds link the mol-ecules, enclosing R 2 2(8) and R 2 2(12) ring motifs, into (00... ...
